4028095

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{389}}^1$

素因数の和:522

約数の個数: 16

約数和(自身を含む): 5148000

約数和(自身を除く): 1119905

約数列:

[1, 5, 19, 95, 109, 389, 545, 1945, 2071, 7391, 10355, 36955, 42401, 212005, 805619, 4028095]

約数ペア:

[(1, 4028095), (5, 805619), (19, 212005), (95, 42401), (109, 36955), (389, 10355), (545, 7391), (1945, 2071)]