397394728

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{8923}}^1$

素因数の和:9241

約数の個数: 32

約数和(自身を含む): 787096800

約数和(自身を除く): 389702072

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 293, 586, 1172, 2344, 5567, 8923, 11134, 17846, 22268, 35692, 44536, 71384, 169537, 339074, 678148, 1356296, 2614439, 5228878, 10457756, 20915512, 49674341, 99348682, 198697364, 397394728]

約数ペア:

[(1, 397394728), (2, 198697364), (4, 99348682), (8, 49674341), (19, 20915512), (38, 10457756), (76, 5228878), (152, 2614439), (293, 1356296), (586, 678148), (1172, 339074), (2344, 169537), (5567, 71384), (8923, 44536), (11134, 35692), (17846, 22268)]