488781671

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{1669}}^1$

素因数の和:1823

約数の個数: 32

約数和(自身を含む): 623324160

約数和(自身を除く): 134542489

約数列:

[1, 7, 17, 23, 107, 119, 161, 391, 749, 1669, 1819, 2461, 2737, 11683, 12733, 17227, 28373, 38387, 41837, 178583, 198611, 268709, 292859, 652579, 1250081, 3035911, 4107409, 4568053, 21251377, 28751863, 69825953, 488781671]

約数ペア:

[(1, 488781671), (7, 69825953), (17, 28751863), (23, 21251377), (107, 4568053), (119, 4107409), (161, 3035911), (391, 1250081), (749, 652579), (1669, 292859), (1819, 268709), (2461, 198611), (2737, 178583), (11683, 41837), (12733, 38387), (17227, 28373)]