171944890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{607}}^1\times {\mathrm{2179}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 334010880

約数和(自身を除く): 162065990

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 607, 1214, 2179, 3035, 4358, 6070, 7891, 10895, 15782, 21790, 28327, 39455, 56654, 78910, 141635, 283270, 1322653, 2645306, 6613265, 13226530, 17194489, 34388978, 85972445, 171944890]

約数ペア:

[(1, 171944890), (2, 85972445), (5, 34388978), (10, 17194489), (13, 13226530), (26, 6613265), (65, 2645306), (130, 1322653), (607, 283270), (1214, 141635), (2179, 78910), (3035, 56654), (4358, 39455), (6070, 28327), (7891, 21790), (10895, 15782)]