217401986

素因数分解:

$2^1\times {\mathrm{227}}^1\times {\mathrm{389}}^1\times {\mathrm{1231}}^1$

素因数の和:1849

約数の個数: 16

約数和(自身を含む): 328648320

約数和(自身を除く): 111246334

約数列:

[1, 2, 227, 389, 454, 778, 1231, 2462, 88303, 176606, 279437, 478859, 558874, 957718, 108700993, 217401986]

約数ペア:

[(1, 217401986), (2, 108700993), (227, 957718), (389, 558874), (454, 478859), (778, 279437), (1231, 176606), (2462, 88303)]