31104106

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{19913}}^1$

素因数の和:19997

約数の個数: 16

約数和(自身を含む): 51617088

約数和(自身を除く): 20512982

約数列:

[1, 2, 11, 22, 71, 142, 781, 1562, 19913, 39826, 219043, 438086, 1413823, 2827646, 15552053, 31104106]

約数ペア:

[(1, 31104106), (2, 15552053), (11, 2827646), (22, 1413823), (71, 438086), (142, 219043), (781, 39826), (1562, 19913)]