72145981

素因数分解:

${\mathrm{61}}^1\times {\mathrm{89}}^1\times {\mathrm{97}}^1\times {\mathrm{137}}^1$

素因数の和:384

約数の個数: 16

約数和(自身を含む): 75463920

約数和(自身を除く): 3317939

約数列:

[1, 61, 89, 97, 137, 5429, 5917, 8357, 8633, 12193, 13289, 526613, 743773, 810629, 1182721, 72145981]

約数ペア:

[(1, 72145981), (61, 1182721), (89, 810629), (97, 743773), (137, 526613), (5429, 13289), (5917, 12193), (8357, 8633)]