64388705

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{853}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 80016384

約数和(自身を除く): 15627679

約数列:

[1, 5, 31, 155, 487, 853, 2435, 4265, 15097, 26443, 75485, 132215, 415411, 2077055, 12877741, 64388705]

約数ペア:

[(1, 64388705), (5, 12877741), (31, 2077055), (155, 415411), (487, 132215), (853, 75485), (2435, 26443), (4265, 15097)]