64990535

素因数分解:

$5^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{4013}}^1$

素因数の和:4138

約数の個数: 16

約数和(自身を含む): 80922240

約数和(自身を除く): 15931705

約数列:

[1, 5, 41, 79, 205, 395, 3239, 4013, 16195, 20065, 164533, 317027, 822665, 1585135, 12998107, 64990535]

約数ペア:

[(1, 64990535), (5, 12998107), (41, 1585135), (79, 822665), (205, 317027), (395, 164533), (3239, 20065), (4013, 16195)]