31212854

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{251}}^1\times {\mathrm{641}}^1$

素因数の和:991

約数の個数: 16

約数和(自身を含む): 47564496

約数和(自身を除く): 16351642

約数列:

[1, 2, 97, 194, 251, 502, 641, 1282, 24347, 48694, 62177, 124354, 160891, 321782, 15606427, 31212854]

約数ペア:

[(1, 31212854), (2, 15606427), (97, 321782), (194, 160891), (251, 124354), (502, 62177), (641, 48694), (1282, 24347)]