64541815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{12569}}^1$

素因数の和:12666

約数の個数: 16

約数和(自身を含む): 84470400

約数和(自身を除く): 19928585

約数列:

[1, 5, 13, 65, 79, 395, 1027, 5135, 12569, 62845, 163397, 816985, 992951, 4964755, 12908363, 64541815]

約数ペア:

[(1, 64541815), (5, 12908363), (13, 4964755), (65, 992951), (79, 816985), (395, 163397), (1027, 62845), (5135, 12569)]