215532190

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{242171}}^1$

素因数の和:242267

約数の個数: 16

約数和(自身を含む): 392318640

約数和(自身を除く): 176786450

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 242171, 484342, 1210855, 2421710, 21553219, 43106438, 107766095, 215532190]

約数ペア:

[(1, 215532190), (2, 107766095), (5, 43106438), (10, 21553219), (89, 2421710), (178, 1210855), (445, 484342), (890, 242171)]