7978179664

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{139}}^1\times {\mathrm{499}}^1$

素因数の和:745

約数の個数: 160

約数和(自身を含む): 19443200000

約数和(自身を除く): 11465020336

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 79, 91, 104, 112, 139, 158, 182, 208, 278, 316, 364, 499, 553, 556, 632, 728, 973, 998, 1027, 1106, 1112, 1264, 1456, 1807, 1946, 1996, 2054, 2212, 2224, 3493, 3614, 3892, 3992, 4108, 4424, 6487, 6986, 7189, 7228, 7784, 7984, 8216, 8848, 10981, 12649, 12974, 13972, 14378, 14456, 15568, 16432, 21962, 25298, 25948, 27944, 28756, 28912, 39421, 43924, 45409, 50596, 51896, 55888, 57512, 69361, 76867, 78842, 87848, 90818, 101192, 103792, 115024, 138722, 142753, 153734, 157684, 175696, 181636, 202384, 275947, 277444, 285506, 307468, 315368, 363272, 485527, 512473, 551894, 554888, 571012, 614936, 630736, 726544, 901693, 971054, 999271, 1024946, 1103788, 1109776, 1142024, 1229872, 1803386, 1942108, 1998542, 2049892, 2207576, 2284048, 3587311, 3606772, 3884216, 3997084, 4099784, 4415152, 5479519, 6311851, 7174622, 7213544, 7768432, 7994168, 8199568, 10959038, 12623702, 14349244, 14427088, 15988336, 21918076, 25247404, 28698488, 38356633, 43836152, 50494808, 57396976, 71233747, 76713266, 87672304, 100989616, 142467494, 153426532, 284934988, 306853064, 498636229, 569869976, 613706128, 997272458, 1139739952, 1994544916, 3989089832, 7978179664]

約数ペア:

[(1, 7978179664), (2, 3989089832), (4, 1994544916), (7, 1139739952), (8, 997272458), (13, 613706128), (14, 569869976), (16, 498636229), (26, 306853064), (28, 284934988), (52, 153426532), (56, 142467494), (79, 100989616), (91, 87672304), (104, 76713266), (112, 71233747), (139, 57396976), (158, 50494808), (182, 43836152), (208, 38356633), (278, 28698488), (316, 25247404), (364, 21918076), (499, 15988336), (553, 14427088), (556, 14349244), (632, 12623702), (728, 10959038), (973, 8199568), (998, 7994168), (1027, 7768432), (1106, 7213544), (1112, 7174622), (1264, 6311851), (1456, 5479519), (1807, 4415152), (1946, 4099784), (1996, 3997084), (2054, 3884216), (2212, 3606772), (2224, 3587311), (3493, 2284048), (3614, 2207576), (3892, 2049892), (3992, 1998542), (4108, 1942108), (4424, 1803386), (6487, 1229872), (6986, 1142024), (7189, 1109776), (7228, 1103788), (7784, 1024946), (7984, 999271), (8216, 971054), (8848, 901693), (10981, 726544), (12649, 630736), (12974, 614936), (13972, 571012), (14378, 554888), (14456, 551894), (15568, 512473), (16432, 485527), (21962, 363272), (25298, 315368), (25948, 307468), (27944, 285506), (28756, 277444), (28912, 275947), (39421, 202384), (43924, 181636), (45409, 175696), (50596, 157684), (51896, 153734), (55888, 142753), (57512, 138722), (69361, 115024), (76867, 103792), (78842, 101192), (87848, 90818)]