210451505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{201389}}^1$

素因数の和:201424

約数の個数: 16

約数和(自身を含む): 290001600

約数和(自身を除く): 79550095

約数列:

[1, 5, 11, 19, 55, 95, 209, 1045, 201389, 1006945, 2215279, 3826391, 11076395, 19131955, 42090301, 210451505]

約数ペア:

[(1, 210451505), (5, 42090301), (11, 19131955), (19, 11076395), (55, 3826391), (95, 2215279), (209, 1006945), (1045, 201389)]