151720355

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{401}}^1\times {\mathrm{2441}}^1$

素因数の和:2878

約数の個数: 16

約数和(自身を含む): 188483328

約数和(自身を除く): 36762973

約数列:

[1, 5, 31, 155, 401, 2005, 2441, 12205, 12431, 62155, 75671, 378355, 978841, 4894205, 30344071, 151720355]

約数ペア:

[(1, 151720355), (5, 30344071), (31, 4894205), (155, 978841), (401, 378355), (2005, 75671), (2441, 62155), (12205, 12431)]