219700286

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{272581}}^1$

素因数の和:272627

約数の個数: 16

約数和(自身を含む): 366350208

約数和(自身を除く): 146649922

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 272581, 545162, 3543553, 7087106, 8450011, 16900022, 109850143, 219700286]

約数ペア:

[(1, 219700286), (2, 109850143), (13, 16900022), (26, 8450011), (31, 7087106), (62, 3543553), (403, 545162), (806, 272581)]