77971660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{299891}}^1$

素因数の和:299913

約数の個数: 24

約数和(自身を含む): 176336496

約数和(自身を除く): 98364836

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 299891, 599782, 1199564, 1499455, 2998910, 3898583, 5997820, 7797166, 15594332, 19492915, 38985830, 77971660]

約数ペア:

[(1, 77971660), (2, 38985830), (4, 19492915), (5, 15594332), (10, 7797166), (13, 5997820), (20, 3898583), (26, 2998910), (52, 1499455), (65, 1199564), (130, 599782), (260, 299891)]