1988443912

素因数分解:

$2^3\times 7^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{307}}^1$

素因数の和:412

約数の個数: 192

約数和(自身を含む): 4955005440

約数和(自身を除く): 2966561528

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 41, 49, 52, 56, 62, 82, 91, 98, 104, 124, 164, 182, 196, 217, 248, 287, 307, 328, 364, 392, 403, 434, 533, 574, 614, 637, 728, 806, 868, 1066, 1148, 1228, 1271, 1274, 1519, 1612, 1736, 2009, 2132, 2149, 2296, 2456, 2542, 2548, 2821, 3038, 3224, 3731, 3991, 4018, 4264, 4298, 5084, 5096, 5642, 6076, 7462, 7982, 8036, 8596, 8897, 9517, 10168, 11284, 12152, 12587, 14924, 15043, 15964, 16072, 16523, 17192, 17794, 19034, 19747, 22568, 25174, 26117, 27937, 29848, 30086, 31928, 33046, 35588, 38068, 39494, 50348, 52234, 55874, 60172, 62279, 66092, 66619, 71176, 76136, 78988, 88109, 100696, 104468, 111748, 115661, 120344, 123721, 124558, 132184, 133238, 157976, 163631, 176218, 195559, 208936, 223496, 231322, 247442, 249116, 266476, 327262, 352436, 390197, 391118, 462644, 466333, 494884, 498232, 532952, 616763, 654524, 704872, 780394, 782236, 809627, 866047, 925288, 932666, 989768, 1145417, 1233526, 1309048, 1560788, 1564472, 1619254, 1732094, 1865332, 2290834, 2467052, 2731379, 3121576, 3238508, 3464188, 3730664, 4581668, 4934104, 5072561, 5462758, 6062329, 6477016, 6928376, 8017919, 9163336, 10145122, 10925516, 12124658, 16035838, 19119653, 20290244, 21851032, 24249316, 32071676, 35507927, 38239306, 40580488, 48498632, 64143352, 71015854, 76478612, 142031708, 152957224, 248555489, 284063416, 497110978, 994221956, 1988443912]

約数ペア:

[(1, 1988443912), (2, 994221956), (4, 497110978), (7, 284063416), (8, 248555489), (13, 152957224), (14, 142031708), (26, 76478612), (28, 71015854), (31, 64143352), (41, 48498632), (49, 40580488), (52, 38239306), (56, 35507927), (62, 32071676), (82, 24249316), (91, 21851032), (98, 20290244), (104, 19119653), (124, 16035838), (164, 12124658), (182, 10925516), (196, 10145122), (217, 9163336), (248, 8017919), (287, 6928376), (307, 6477016), (328, 6062329), (364, 5462758), (392, 5072561), (403, 4934104), (434, 4581668), (533, 3730664), (574, 3464188), (614, 3238508), (637, 3121576), (728, 2731379), (806, 2467052), (868, 2290834), (1066, 1865332), (1148, 1732094), (1228, 1619254), (1271, 1564472), (1274, 1560788), (1519, 1309048), (1612, 1233526), (1736, 1145417), (2009, 989768), (2132, 932666), (2149, 925288), (2296, 866047), (2456, 809627), (2542, 782236), (2548, 780394), (2821, 704872), (3038, 654524), (3224, 616763), (3731, 532952), (3991, 498232), (4018, 494884), (4264, 466333), (4298, 462644), (5084, 391118), (5096, 390197), (5642, 352436), (6076, 327262), (7462, 266476), (7982, 249116), (8036, 247442), (8596, 231322), (8897, 223496), (9517, 208936), (10168, 195559), (11284, 176218), (12152, 163631), (12587, 157976), (14924, 133238), (15043, 132184), (15964, 124558), (16072, 123721), (16523, 120344), (17192, 115661), (17794, 111748), (19034, 104468), (19747, 100696), (22568, 88109), (25174, 78988), (26117, 76136), (27937, 71176), (29848, 66619), (30086, 66092), (31928, 62279), (33046, 60172), (35588, 55874), (38068, 52234), (39494, 50348)]