166996895

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{223}}^1\times {\mathrm{281}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 222856704

約数和(自身を除く): 55859809

約数列:

[1, 5, 13, 41, 65, 205, 223, 281, 533, 1115, 1405, 2665, 2899, 3653, 9143, 11521, 14495, 18265, 45715, 57605, 62663, 118859, 149773, 313315, 594295, 748865, 814619, 2569183, 4073095, 12845915, 33399379, 166996895]

約数ペア:

[(1, 166996895), (5, 33399379), (13, 12845915), (41, 4073095), (65, 2569183), (205, 814619), (223, 748865), (281, 594295), (533, 313315), (1115, 149773), (1405, 118859), (2665, 62663), (2899, 57605), (3653, 45715), (9143, 18265), (11521, 14495)]