64472690

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{81611}}^1$

素因数の和:81697

約数の個数: 16

約数和(自身を含む): 117521280

約数和(自身を除く): 53048590

約数列:

[1, 2, 5, 10, 79, 158, 395, 790, 81611, 163222, 408055, 816110, 6447269, 12894538, 32236345, 64472690]

約数ペア:

[(1, 64472690), (2, 32236345), (5, 12894538), (10, 6447269), (79, 816110), (158, 408055), (395, 163222), (790, 81611)]