28891913

素因数分解:

${\mathrm{19}}^2\times {\mathrm{163}}^1\times {\mathrm{491}}^1$

素因数の和:692

約数の個数: 12

約数和(自身を含む): 30742128

約数和(自身を除く): 1850215

約数列:

[1, 19, 163, 361, 491, 3097, 9329, 58843, 80033, 177251, 1520627, 28891913]

約数ペア:

[(1, 28891913), (19, 1520627), (163, 177251), (361, 80033), (491, 58843), (3097, 9329)]