78990925

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{29}}^2$

素因数の和:115

約数の個数: 54

約数和(自身を含む): 116050298

約数和(自身を除く): 37059373

約数列:

[1, 5, 13, 17, 25, 29, 65, 85, 145, 221, 289, 325, 377, 425, 493, 725, 841, 1105, 1445, 1885, 2465, 3757, 4205, 5525, 6409, 7225, 8381, 9425, 10933, 12325, 14297, 18785, 21025, 32045, 41905, 54665, 71485, 93925, 108953, 160225, 185861, 209525, 243049, 273325, 357425, 544765, 929305, 1215245, 2723825, 3159637, 4646525, 6076225, 15798185, 78990925]

約数ペア:

[(1, 78990925), (5, 15798185), (13, 6076225), (17, 4646525), (25, 3159637), (29, 2723825), (65, 1215245), (85, 929305), (145, 544765), (221, 357425), (289, 273325), (325, 243049), (377, 209525), (425, 185861), (493, 160225), (725, 108953), (841, 93925), (1105, 71485), (1445, 54665), (1885, 41905), (2465, 32045), (3757, 21025), (4205, 18785), (5525, 14297), (6409, 12325), (7225, 10933), (8381, 9425)]