4490398

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{401}}^1\times {\mathrm{509}}^1$

素因数の和:923

約数の個数: 16

約数和(自身を含む): 7380720

約数和(自身を除く): 2890322

約数列:

[1, 2, 11, 22, 401, 509, 802, 1018, 4411, 5599, 8822, 11198, 204109, 408218, 2245199, 4490398]

約数ペア:

[(1, 4490398), (2, 2245199), (11, 408218), (22, 204109), (401, 11198), (509, 8822), (802, 5599), (1018, 4411)]