2021440505

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{193}}^1\times {\mathrm{607}}^1$

素因数の和:858

約数の個数: 64

約数和(自身を含む): 3057315840

約数和(自身を除く): 1035875335

約数列:

[1, 5, 7, 17, 29, 35, 85, 119, 145, 193, 203, 493, 595, 607, 965, 1015, 1351, 2465, 3035, 3281, 3451, 4249, 5597, 6755, 10319, 16405, 17255, 17603, 21245, 22967, 27985, 39179, 51595, 72233, 88015, 95149, 114835, 117151, 123221, 195895, 299251, 361165, 475745, 585755, 616105, 666043, 820057, 1496255, 1991567, 2094757, 3330215, 3397379, 4100285, 9957835, 10473785, 13940969, 16986895, 23781653, 57755443, 69704845, 118908265, 288777215, 404288101, 2021440505]

約数ペア:

[(1, 2021440505), (5, 404288101), (7, 288777215), (17, 118908265), (29, 69704845), (35, 57755443), (85, 23781653), (119, 16986895), (145, 13940969), (193, 10473785), (203, 9957835), (493, 4100285), (595, 3397379), (607, 3330215), (965, 2094757), (1015, 1991567), (1351, 1496255), (2465, 820057), (3035, 666043), (3281, 616105), (3451, 585755), (4249, 475745), (5597, 361165), (6755, 299251), (10319, 195895), (16405, 123221), (17255, 117151), (17603, 114835), (21245, 95149), (22967, 88015), (27985, 72233), (39179, 51595)]