4212505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{401}}^1$

素因数の和:608

約数の個数: 16

約数和(自身を含む): 5557248

約数和(自身を除く): 1344743

約数列:

[1, 5, 11, 55, 191, 401, 955, 2005, 2101, 4411, 10505, 22055, 76591, 382955, 842501, 4212505]

約数ペア:

[(1, 4212505), (5, 842501), (11, 382955), (55, 76591), (191, 22055), (401, 10505), (955, 4411), (2005, 2101)]