256970945

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{983}}^1$

素因数の和:1110

約数の個数: 48

約数和(自身を含む): 395756928

約数和(自身を除く): 138785983

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 97, 245, 385, 485, 539, 679, 983, 1067, 2695, 3395, 4753, 4915, 5335, 6881, 7469, 10813, 23765, 34405, 37345, 48167, 52283, 54065, 75691, 95351, 240835, 261415, 378455, 476755, 529837, 667457, 1048861, 2649185, 3337285, 4672199, 5244305, 7342027, 23360995, 36710135, 51394189, 256970945]

約数ペア:

[(1, 256970945), (5, 51394189), (7, 36710135), (11, 23360995), (35, 7342027), (49, 5244305), (55, 4672199), (77, 3337285), (97, 2649185), (245, 1048861), (385, 667457), (485, 529837), (539, 476755), (679, 378455), (983, 261415), (1067, 240835), (2695, 95351), (3395, 75691), (4753, 54065), (4915, 52283), (5335, 48167), (6881, 37345), (7469, 34405), (10813, 23765)]