71971615

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{8761}}^1$

素因数の和:8850

約数の個数: 16

約数和(自身を含む): 90844416

約数和(自身を除く): 18872801

約数列:

[1, 5, 31, 53, 155, 265, 1643, 8215, 8761, 43805, 271591, 464333, 1357955, 2321665, 14394323, 71971615]

約数ペア:

[(1, 71971615), (5, 14394323), (31, 2321665), (53, 1357955), (155, 464333), (265, 271591), (1643, 43805), (8215, 8761)]