72128165

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{4349}}^1$

素因数の和:4492

約数の個数: 16

約数和(自身を含む): 90201600

約数和(自身を除く): 18073435

約数列:

[1, 5, 31, 107, 155, 535, 3317, 4349, 16585, 21745, 134819, 465343, 674095, 2326715, 14425633, 72128165]

約数ペア:

[(1, 72128165), (5, 14425633), (31, 2326715), (107, 674095), (155, 465343), (535, 134819), (3317, 21745), (4349, 16585)]