128974132

素因数分解:

$2^2\times 7^1\times {\mathrm{113}}^1\times {\mathrm{40763}}^1$

素因数の和:40887

約数の個数: 24

約数和(自身を含む): 260237376

約数和(自身を除く): 131263244

約数列:

[1, 2, 4, 7, 14, 28, 113, 226, 452, 791, 1582, 3164, 40763, 81526, 163052, 285341, 570682, 1141364, 4606219, 9212438, 18424876, 32243533, 64487066, 128974132]

約数ペア:

[(1, 128974132), (2, 64487066), (4, 32243533), (7, 18424876), (14, 9212438), (28, 4606219), (113, 1141364), (226, 570682), (452, 285341), (791, 163052), (1582, 81526), (3164, 40763)]