64917565

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{491}}^1\times {\mathrm{853}}^1$

素因数の和:1380

約数の個数: 16

約数和(自身を含む): 80672256

約数和(自身を除く): 15754691

約数列:

[1, 5, 31, 155, 491, 853, 2455, 4265, 15221, 26443, 76105, 132215, 418823, 2094115, 12983513, 64917565]

約数ペア:

[(1, 64917565), (5, 12983513), (31, 2094115), (155, 418823), (491, 132215), (853, 76105), (2455, 26443), (4265, 15221)]