258601903

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{97}}^1\times {\mathrm{571}}^1$

素因数の和:727

約数の個数: 32

約数和(自身を含む): 322882560

約数和(自身を除く): 64280657

約数列:

[1, 7, 23, 29, 97, 161, 203, 571, 667, 679, 2231, 2813, 3997, 4669, 13133, 15617, 16559, 19691, 55387, 64699, 91931, 115913, 380857, 387709, 452893, 1273901, 1606223, 2665999, 8917307, 11243561, 36943129, 258601903]

約数ペア:

[(1, 258601903), (7, 36943129), (23, 11243561), (29, 8917307), (97, 2665999), (161, 1606223), (203, 1273901), (571, 452893), (667, 387709), (679, 380857), (2231, 115913), (2813, 91931), (3997, 64699), (4669, 55387), (13133, 19691), (15617, 16559)]