28311959

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{163}}^1\times {\mathrm{431}}^1$

素因数の和:638

約数の個数: 16

約数和(自身を含む): 31739904

約数和(自身を除く): 3427945

約数列:

[1, 13, 31, 163, 403, 431, 2119, 5053, 5603, 13361, 65689, 70253, 173693, 913289, 2177843, 28311959]

約数ペア:

[(1, 28311959), (13, 2177843), (31, 913289), (163, 173693), (403, 70253), (431, 65689), (2119, 13361), (5053, 5603)]