2161440826

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{139}}^1\times {\mathrm{26903}}^1$

素因数の和:27078

約数の個数: 24

約数和(自身を含む): 3469001760

約数和(自身を除く): 1307560934

約数列:

[1, 2, 17, 34, 139, 278, 289, 578, 2363, 4726, 26903, 40171, 53806, 80342, 457351, 914702, 3739517, 7479034, 7774967, 15549934, 63571789, 127143578, 1080720413, 2161440826]

約数ペア:

[(1, 2161440826), (2, 1080720413), (17, 127143578), (34, 63571789), (139, 15549934), (278, 7774967), (289, 7479034), (578, 3739517), (2363, 914702), (4726, 457351), (26903, 80342), (40171, 53806)]