12447985

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{2543}}^1$

素因数の和:2648

約数の個数: 16

約数和(自身を含む): 16485120

約数和(自身を除く): 4037135

約数列:

[1, 5, 11, 55, 89, 445, 979, 2543, 4895, 12715, 27973, 139865, 226327, 1131635, 2489597, 12447985]

約数ペア:

[(1, 12447985), (5, 2489597), (11, 1131635), (55, 226327), (89, 139865), (445, 27973), (979, 12715), (2543, 4895)]