1289631746

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{347}}^1\times {\mathrm{641}}^1$

素因数の和:1226

約数の個数: 32

約数和(自身を含む): 2101897728

約数和(自身を除く): 812265982

約数列:

[1, 2, 13, 26, 223, 347, 446, 641, 694, 1282, 2899, 4511, 5798, 8333, 9022, 16666, 77381, 142943, 154762, 222427, 285886, 444854, 1005953, 1858259, 2011906, 2891551, 3716518, 5783102, 49601221, 99202442, 644815873, 1289631746]

約数ペア:

[(1, 1289631746), (2, 644815873), (13, 99202442), (26, 49601221), (223, 5783102), (347, 3716518), (446, 2891551), (641, 2011906), (694, 1858259), (1282, 1005953), (2899, 444854), (4511, 285886), (5798, 222427), (8333, 154762), (9022, 142943), (16666, 77381)]