320525156

素因数分解:

$2^2\times 7^1\times {\mathrm{163}}^1\times {\mathrm{70229}}^1$

素因数の和:70403

約数の個数: 24

約数和(自身を含む): 644992320

約数和(自身を除く): 324467164

約数列:

[1, 2, 4, 7, 14, 28, 163, 326, 652, 1141, 2282, 4564, 70229, 140458, 280916, 491603, 983206, 1966412, 11447327, 22894654, 45789308, 80131289, 160262578, 320525156]

約数ペア:

[(1, 320525156), (2, 160262578), (4, 80131289), (7, 45789308), (14, 22894654), (28, 11447327), (163, 1966412), (326, 983206), (652, 491603), (1141, 280916), (2282, 140458), (4564, 70229)]