72231445

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 108043200

約数和(自身を除く): 35811755

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 143, 169, 209, 247, 409, 715, 845, 1045, 1235, 1859, 2045, 2717, 3211, 4499, 5317, 7771, 9295, 13585, 16055, 22495, 26585, 35321, 38855, 58487, 69121, 85481, 101023, 176605, 292435, 345605, 427405, 505115, 760331, 1111253, 1313299, 3801655, 5556265, 6566495, 14446289, 72231445]

約数ペア:

[(1, 72231445), (5, 14446289), (11, 6566495), (13, 5556265), (19, 3801655), (55, 1313299), (65, 1111253), (95, 760331), (143, 505115), (169, 427405), (209, 345605), (247, 292435), (409, 176605), (715, 101023), (845, 85481), (1045, 69121), (1235, 58487), (1859, 38855), (2045, 35321), (2717, 26585), (3211, 22495), (4499, 16055), (5317, 13585), (7771, 9295)]