31398908

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{313}}^1\times {\mathrm{809}}^1$

素因数の和:1157

約数の個数: 24

約数和(自身を含む): 56972160

約数和(自身を除く): 25573252

約数列:

[1, 2, 4, 31, 62, 124, 313, 626, 809, 1252, 1618, 3236, 9703, 19406, 25079, 38812, 50158, 100316, 253217, 506434, 1012868, 7849727, 15699454, 31398908]

約数ペア:

[(1, 31398908), (2, 15699454), (4, 7849727), (31, 1012868), (62, 506434), (124, 253217), (313, 100316), (626, 50158), (809, 38812), (1252, 25079), (1618, 19406), (3236, 9703)]