78876865

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{6971}}^1$

素因数の和:7080

約数の個数: 16

約数和(自身を含む): 99058176

約数和(自身を除く): 20181311

約数列:

[1, 5, 31, 73, 155, 365, 2263, 6971, 11315, 34855, 216101, 508883, 1080505, 2544415, 15775373, 78876865]

約数ペア:

[(1, 78876865), (5, 15775373), (31, 2544415), (73, 1080505), (155, 508883), (365, 216101), (2263, 34855), (6971, 11315)]