251628305

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{4211}}^1$

素因数の和:4289

約数の個数: 32

約数和(自身を含む): 345720960

約数和(自身を除く): 94092655

約数列:

[1, 5, 17, 19, 37, 85, 95, 185, 323, 629, 703, 1615, 3145, 3515, 4211, 11951, 21055, 59755, 71587, 80009, 155807, 357935, 400045, 779035, 1360153, 2648719, 2960333, 6800765, 13243595, 14801665, 50325661, 251628305]

約数ペア:

[(1, 251628305), (5, 50325661), (17, 14801665), (19, 13243595), (37, 6800765), (85, 2960333), (95, 2648719), (185, 1360153), (323, 779035), (629, 400045), (703, 357935), (1615, 155807), (3145, 80009), (3515, 71587), (4211, 59755), (11951, 21055)]