78123906

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{113}}^1$

素因数の和:221

約数の個数: 128

約数和(自身を含む): 210124800

約数和(自身を除く): 132000894

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 31, 42, 54, 59, 62, 63, 93, 113, 118, 126, 177, 186, 189, 217, 226, 279, 339, 354, 378, 413, 434, 531, 558, 651, 678, 791, 826, 837, 1017, 1062, 1239, 1302, 1582, 1593, 1674, 1829, 1953, 2034, 2373, 2478, 3051, 3186, 3503, 3658, 3717, 3906, 4746, 5487, 5859, 6102, 6667, 7006, 7119, 7434, 10509, 10974, 11151, 11718, 12803, 13334, 14238, 16461, 20001, 21018, 21357, 22302, 24521, 25606, 31527, 32922, 38409, 40002, 42714, 46669, 49042, 49383, 60003, 63054, 73563, 76818, 93338, 94581, 98766, 115227, 120006, 140007, 147126, 180009, 189162, 206677, 220689, 230454, 280014, 345681, 360018, 413354, 420021, 441378, 620031, 662067, 691362, 840042, 1240062, 1260063, 1324134, 1446739, 1860093, 2520126, 2893478, 3720186, 4340217, 5580279, 8680434, 11160558, 13020651, 26041302, 39061953, 78123906]

約数ペア:

[(1, 78123906), (2, 39061953), (3, 26041302), (6, 13020651), (7, 11160558), (9, 8680434), (14, 5580279), (18, 4340217), (21, 3720186), (27, 2893478), (31, 2520126), (42, 1860093), (54, 1446739), (59, 1324134), (62, 1260063), (63, 1240062), (93, 840042), (113, 691362), (118, 662067), (126, 620031), (177, 441378), (186, 420021), (189, 413354), (217, 360018), (226, 345681), (279, 280014), (339, 230454), (354, 220689), (378, 206677), (413, 189162), (434, 180009), (531, 147126), (558, 140007), (651, 120006), (678, 115227), (791, 98766), (826, 94581), (837, 93338), (1017, 76818), (1062, 73563), (1239, 63054), (1302, 60003), (1582, 49383), (1593, 49042), (1674, 46669), (1829, 42714), (1953, 40002), (2034, 38409), (2373, 32922), (2478, 31527), (3051, 25606), (3186, 24521), (3503, 22302), (3658, 21357), (3717, 21018), (3906, 20001), (4746, 16461), (5487, 14238), (5859, 13334), (6102, 12803), (6667, 11718), (7006, 11151), (7119, 10974), (7434, 10509)]