155707945

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1\times {\mathrm{811}}^1$

素因数の和:925

約数の個数: 32

約数和(自身を含む): 205793280

約数和(自身を除く): 50085335

約数列:

[1, 5, 19, 43, 47, 95, 215, 235, 811, 817, 893, 2021, 4055, 4085, 4465, 10105, 15409, 34873, 38117, 38399, 77045, 174365, 190585, 191995, 662587, 724223, 1639031, 3312935, 3621115, 8195155, 31141589, 155707945]

約数ペア:

[(1, 155707945), (5, 31141589), (19, 8195155), (43, 3621115), (47, 3312935), (95, 1639031), (215, 724223), (235, 662587), (811, 191995), (817, 190585), (893, 174365), (2021, 77045), (4055, 38399), (4085, 38117), (4465, 34873), (10105, 15409)]