28015398

素因数分解:

$2^1\times 3^2\times {\mathrm{109}}^2\times {\mathrm{131}}^1$

素因数の和:357

約数の個数: 36

約数和(自身を含む): 61729668

約数和(自身を除く): 33714270

約数列:

[1, 2, 3, 6, 9, 18, 109, 131, 218, 262, 327, 393, 654, 786, 981, 1179, 1962, 2358, 11881, 14279, 23762, 28558, 35643, 42837, 71286, 85674, 106929, 128511, 213858, 257022, 1556411, 3112822, 4669233, 9338466, 14007699, 28015398]

約数ペア:

[(1, 28015398), (2, 14007699), (3, 9338466), (6, 4669233), (9, 3112822), (18, 1556411), (109, 257022), (131, 213858), (218, 128511), (262, 106929), (327, 85674), (393, 71286), (654, 42837), (786, 35643), (981, 28558), (1179, 23762), (1962, 14279), (2358, 11881)]