1891175

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^2$

素因数の和:80

約数の個数: 36

約数和(自身を含む): 2880024

約数和(自身を除く): 988849

約数列:

[1, 5, 11, 13, 23, 25, 55, 65, 115, 143, 253, 275, 299, 325, 529, 575, 715, 1265, 1495, 2645, 3289, 3575, 5819, 6325, 6877, 7475, 13225, 16445, 29095, 34385, 75647, 82225, 145475, 171925, 378235, 1891175]

約数ペア:

[(1, 1891175), (5, 378235), (11, 171925), (13, 145475), (23, 82225), (25, 75647), (55, 34385), (65, 29095), (115, 16445), (143, 13225), (253, 7475), (275, 6877), (299, 6325), (325, 5819), (529, 3575), (575, 3289), (715, 2645), (1265, 1495)]