208631408

素因数分解:

$2^4\times {\mathrm{1259}}^1\times {\mathrm{10357}}^1$

素因数の和:11624

約数の個数: 20

約数和(自身を含む): 404583480

約数和(自身を除く): 195952072

約数列:

[1, 2, 4, 8, 16, 1259, 2518, 5036, 10072, 10357, 20144, 20714, 41428, 82856, 165712, 13039463, 26078926, 52157852, 104315704, 208631408]

約数ペア:

[(1, 208631408), (2, 104315704), (4, 52157852), (8, 26078926), (16, 13039463), (1259, 165712), (2518, 82856), (5036, 41428), (10072, 20714), (10357, 20144)]