289301710

素因数分解:

$2^1\times 5^1\times {\mathrm{131}}^1\times {\mathrm{220841}}^1$

素因数の和:220979

約数の個数: 16

約数和(自身を含む): 524720592

約数和(自身を除く): 235418882

約数列:

[1, 2, 5, 10, 131, 262, 655, 1310, 220841, 441682, 1104205, 2208410, 28930171, 57860342, 144650855, 289301710]

約数ペア:

[(1, 289301710), (2, 144650855), (5, 57860342), (10, 28930171), (131, 2208410), (262, 1104205), (655, 441682), (1310, 220841)]