401571455

素因数分解:

$5^1\times {\mathrm{101}}^1\times {\mathrm{397}}^1\times {\mathrm{2003}}^1$

素因数の和:2506

約数の個数: 16

約数和(自身を含む): 488126304

約数和(自身を除く): 86554849

約数列:

[1, 5, 101, 397, 505, 1985, 2003, 10015, 40097, 200485, 202303, 795191, 1011515, 3975955, 80314291, 401571455]

約数ペア:

[(1, 401571455), (5, 80314291), (101, 3975955), (397, 1011515), (505, 795191), (1985, 202303), (2003, 200485), (10015, 40097)]