201901765

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{3917}}^1$

素因数の和:4009

約数の個数: 24

約数和(自身を含む): 266721768

約数和(自身を除く): 64820003

約数列:

[1, 5, 13, 61, 65, 169, 305, 793, 845, 3917, 3965, 10309, 19585, 50921, 51545, 238937, 254605, 661973, 1194685, 3106181, 3309865, 15530905, 40380353, 201901765]

約数ペア:

[(1, 201901765), (5, 40380353), (13, 15530905), (61, 3309865), (65, 3106181), (169, 1194685), (305, 661973), (793, 254605), (845, 238937), (3917, 51545), (3965, 50921), (10309, 19585)]