221425712

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{194917}}^1$

素因数の和:194996

約数の個数: 20

約数和(自身を含む): 435056976

約数和(自身を除く): 213631264

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 194917, 389834, 779668, 1559336, 3118672, 13839107, 27678214, 55356428, 110712856, 221425712]

約数ペア:

[(1, 221425712), (2, 110712856), (4, 55356428), (8, 27678214), (16, 13839107), (71, 3118672), (142, 1559336), (284, 779668), (568, 389834), (1136, 194917)]