85566481

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 122147200

約数和(自身を除く): 36580719

約数列:

[1, 7, 11, 13, 19, 77, 91, 121, 133, 143, 209, 247, 409, 847, 1001, 1463, 1573, 1729, 2299, 2717, 2863, 4499, 5317, 7771, 11011, 16093, 19019, 29887, 31493, 37219, 49489, 54397, 58487, 85481, 101023, 209209, 346423, 409409, 598367, 643357, 707161, 940291, 1111253, 4503499, 6582037, 7778771, 12223783, 85566481]

約数ペア:

[(1, 85566481), (7, 12223783), (11, 7778771), (13, 6582037), (19, 4503499), (77, 1111253), (91, 940291), (121, 707161), (133, 643357), (143, 598367), (209, 409409), (247, 346423), (409, 209209), (847, 101023), (1001, 85481), (1463, 58487), (1573, 54397), (1729, 49489), (2299, 37219), (2717, 31493), (2863, 29887), (4499, 19019), (5317, 16093), (7771, 11011)]