128354765

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:618

約数の個数: 48

約数和(自身を含む): 197878464

約数和(自身を除く): 69523699

約数列:

[1, 5, 7, 11, 35, 49, 55, 77, 97, 245, 385, 485, 491, 539, 679, 1067, 2455, 2695, 3395, 3437, 4753, 5335, 5401, 7469, 17185, 23765, 24059, 27005, 37345, 37807, 47627, 52283, 120295, 189035, 238135, 261415, 264649, 333389, 523897, 1323245, 1666945, 2333723, 2619485, 3667279, 11668615, 18336395, 25670953, 128354765]

約数ペア:

[(1, 128354765), (5, 25670953), (7, 18336395), (11, 11668615), (35, 3667279), (49, 2619485), (55, 2333723), (77, 1666945), (97, 1323245), (245, 523897), (385, 333389), (485, 264649), (491, 261415), (539, 238135), (679, 189035), (1067, 120295), (2455, 52283), (2695, 47627), (3395, 37807), (3437, 37345), (4753, 27005), (5335, 24059), (5401, 23765), (7469, 17185)]