1261892515

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{239}}^1\times {\mathrm{2801}}^1$

素因数の和:3087

約数の個数: 32

約数和(自身を含む): 1694649600

約数和(自身を除く): 432757085

約数列:

[1, 5, 13, 29, 65, 145, 239, 377, 1195, 1885, 2801, 3107, 6931, 14005, 15535, 34655, 36413, 81229, 90103, 182065, 406145, 450515, 669439, 1055977, 3347195, 5279885, 8702707, 19413731, 43513535, 97068655, 252378503, 1261892515]

約数ペア:

[(1, 1261892515), (5, 252378503), (13, 97068655), (29, 43513535), (65, 19413731), (145, 8702707), (239, 5279885), (377, 3347195), (1195, 1055977), (1885, 669439), (2801, 450515), (3107, 406145), (6931, 182065), (14005, 90103), (15535, 81229), (34655, 36413)]