221820008

素因数分解:

$2^3\times {\mathrm{1277}}^1\times {\mathrm{21713}}^1$

素因数の和:22996

約数の個数: 16

約数和(自身を含む): 416257380

約数和(自身を除く): 194437372

約数列:

[1, 2, 4, 8, 1277, 2554, 5108, 10216, 21713, 43426, 86852, 173704, 27727501, 55455002, 110910004, 221820008]

約数ペア:

[(1, 221820008), (2, 110910004), (4, 55455002), (8, 27727501), (1277, 173704), (2554, 86852), (5108, 43426), (10216, 21713)]