64118015

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{103}}^1\times {\mathrm{157}}^1$

素因数の和:339

約数の個数: 32

約数和(自身を含む): 85577856

約数和(自身を除く): 21459841

約数列:

[1, 5, 13, 61, 65, 103, 157, 305, 515, 785, 793, 1339, 2041, 3965, 6283, 6695, 9577, 10205, 16171, 31415, 47885, 80855, 81679, 124501, 210223, 408395, 622505, 986431, 1051115, 4932155, 12823603, 64118015]

約数ペア:

[(1, 64118015), (5, 12823603), (13, 4932155), (61, 1051115), (65, 986431), (103, 622505), (157, 408395), (305, 210223), (515, 124501), (785, 81679), (793, 80855), (1339, 47885), (2041, 31415), (3965, 16171), (6283, 10205), (6695, 9577)]