128752415

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{419}}^1$

素因数の和:623

約数の個数: 32

約数和(自身を含む): 174666240

約数和(自身を除く): 45913825

約数列:

[1, 5, 11, 37, 55, 151, 185, 407, 419, 755, 1661, 2035, 2095, 4609, 5587, 8305, 15503, 23045, 27935, 61457, 63269, 77515, 170533, 307285, 316345, 695959, 852665, 2340953, 3479795, 11704765, 25750483, 128752415]

約数ペア:

[(1, 128752415), (5, 25750483), (11, 11704765), (37, 3479795), (55, 2340953), (151, 852665), (185, 695959), (407, 316345), (419, 307285), (755, 170533), (1661, 77515), (2035, 63269), (2095, 61457), (4609, 27935), (5587, 23045), (8305, 15503)]