87654065

素因数分解:

$5^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1\times {\mathrm{821}}^1$

素因数の和:1120

約数の個数: 16

約数和(自身を含む): 106767936

約数和(自身を除く): 19113871

約数列:

[1, 5, 131, 163, 655, 815, 821, 4105, 21353, 106765, 107551, 133823, 537755, 669115, 17530813, 87654065]

約数ペア:

[(1, 87654065), (5, 17530813), (131, 669115), (163, 537755), (655, 133823), (815, 107551), (821, 106765), (4105, 21353)]