31997615

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{1993}}^1$

素因数の和:2043

約数の個数: 24

約数和(自身を含む): 43788240

約数和(自身を除く): 11790625

約数列:

[1, 5, 13, 19, 65, 95, 169, 247, 845, 1235, 1993, 3211, 9965, 16055, 25909, 37867, 129545, 189335, 336817, 492271, 1684085, 2461355, 6399523, 31997615]

約数ペア:

[(1, 31997615), (5, 6399523), (13, 2461355), (19, 1684085), (65, 492271), (95, 336817), (169, 189335), (247, 129545), (845, 37867), (1235, 25909), (1993, 16055), (3211, 9965)]