257019488

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1619}}^1$

素因数の和:1692

約数の個数: 72

約数和(自身を含む): 570107160

約数和(自身を除く): 313087672

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 41, 44, 82, 88, 121, 164, 176, 242, 328, 352, 451, 484, 656, 902, 968, 1312, 1619, 1804, 1936, 3238, 3608, 3872, 4961, 6476, 7216, 9922, 12952, 14432, 17809, 19844, 25904, 35618, 39688, 51808, 66379, 71236, 79376, 132758, 142472, 158752, 195899, 265516, 284944, 391798, 531032, 569888, 730169, 783596, 1062064, 1460338, 1567192, 2124128, 2920676, 3134384, 5841352, 6268768, 8031859, 11682704, 16063718, 23365408, 32127436, 64254872, 128509744, 257019488]

約数ペア:

[(1, 257019488), (2, 128509744), (4, 64254872), (8, 32127436), (11, 23365408), (16, 16063718), (22, 11682704), (32, 8031859), (41, 6268768), (44, 5841352), (82, 3134384), (88, 2920676), (121, 2124128), (164, 1567192), (176, 1460338), (242, 1062064), (328, 783596), (352, 730169), (451, 569888), (484, 531032), (656, 391798), (902, 284944), (968, 265516), (1312, 195899), (1619, 158752), (1804, 142472), (1936, 132758), (3238, 79376), (3608, 71236), (3872, 66379), (4961, 51808), (6476, 39688), (7216, 35618), (9922, 25904), (12952, 19844), (14432, 17809)]