258501964

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{81701}}^1$

素因数の和:81825

約数の個数: 24

約数和(自身を含む): 521585568

約数和(自身を除く): 263083604

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 81701, 163402, 326804, 571907, 1143814, 2287628, 9232213, 18464426, 36928852, 64625491, 129250982, 258501964]

約数ペア:

[(1, 258501964), (2, 129250982), (4, 64625491), (7, 36928852), (14, 18464426), (28, 9232213), (113, 2287628), (226, 1143814), (452, 571907), (791, 326804), (1582, 163402), (3164, 81701)]