78780505

素因数分解:

$5^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{2137}}^1$

素因数の和:2316

約数の個数: 16

約数和(自身を含む): 96825744

約数和(自身を除く): 18045239

約数列:

[1, 5, 73, 101, 365, 505, 2137, 7373, 10685, 36865, 156001, 215837, 780005, 1079185, 15756101, 78780505]

約数ペア:

[(1, 78780505), (5, 15756101), (73, 1079185), (101, 780005), (365, 215837), (505, 156001), (2137, 36865), (7373, 10685)]