155661265

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{109}}^1\times {\mathrm{317}}^1$

素因数の和:501

約数の個数: 32

約数和(自身を含む): 204003360

約数和(自身を除く): 48342095

約数列:

[1, 5, 17, 53, 85, 109, 265, 317, 545, 901, 1585, 1853, 4505, 5389, 5777, 9265, 16801, 26945, 28885, 34553, 84005, 98209, 172765, 285617, 491045, 587401, 1428085, 1831309, 2937005, 9156545, 31132253, 155661265]

約数ペア:

[(1, 155661265), (5, 31132253), (17, 9156545), (53, 2937005), (85, 1831309), (109, 1428085), (265, 587401), (317, 491045), (545, 285617), (901, 172765), (1585, 98209), (1853, 84005), (4505, 34553), (5389, 28885), (5777, 26945), (9265, 16801)]