72720938

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{449}}^1\times {\mathrm{1723}}^1$

素因数の和:2221

約数の個数: 16

約数和(自身を含む): 111715200

約数和(自身を除く): 38994262

約数列:

[1, 2, 47, 94, 449, 898, 1723, 3446, 21103, 42206, 80981, 161962, 773627, 1547254, 36360469, 72720938]

約数ペア:

[(1, 72720938), (2, 36360469), (47, 1547254), (94, 773627), (449, 161962), (898, 80981), (1723, 42206), (3446, 21103)]