2017082921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{3571}}^1$

素因数の和:3765

約数の個数: 32

約数和(自身を含む): 2523832320

約数和(自身を除く): 506749399

約数列:

[1, 7, 19, 31, 133, 137, 217, 589, 959, 2603, 3571, 4123, 4247, 18221, 24997, 29729, 67849, 80693, 110701, 474943, 489227, 564851, 774907, 2103319, 3424589, 9295313, 14723233, 15166037, 65067191, 106162259, 288154703, 2017082921]

約数ペア:

[(1, 2017082921), (7, 288154703), (19, 106162259), (31, 65067191), (133, 15166037), (137, 14723233), (217, 9295313), (589, 3424589), (959, 2103319), (2603, 774907), (3571, 564851), (4123, 489227), (4247, 474943), (18221, 110701), (24997, 80693), (29729, 67849)]