90479389

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{409}}^1$

素因数の和:470

約数の個数: 48

約数和(自身を含む): 129651840

約数和(自身を除く): 39172451

約数列:

[1, 7, 11, 13, 17, 77, 91, 119, 143, 169, 187, 221, 409, 1001, 1183, 1309, 1547, 1859, 2431, 2863, 2873, 4499, 5317, 6953, 13013, 17017, 20111, 31493, 31603, 37219, 48671, 58487, 69121, 76483, 90389, 221221, 409409, 483847, 535381, 632723, 760331, 994279, 1175057, 5322317, 6959953, 8225399, 12925627, 90479389]

約数ペア:

[(1, 90479389), (7, 12925627), (11, 8225399), (13, 6959953), (17, 5322317), (77, 1175057), (91, 994279), (119, 760331), (143, 632723), (169, 535381), (187, 483847), (221, 409409), (409, 221221), (1001, 90389), (1183, 76483), (1309, 69121), (1547, 58487), (1859, 48671), (2431, 37219), (2863, 31603), (2873, 31493), (4499, 20111), (5317, 17017), (6953, 13013)]