209898378

素因数分解:

$2^1\times 3^4\times {\mathrm{197}}^1\times {\mathrm{6577}}^1$

素因数の和:6788

約数の個数: 40

約数和(自身を含む): 472787172

約数和(自身を除く): 262888794

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 197, 394, 591, 1182, 1773, 3546, 5319, 6577, 10638, 13154, 15957, 19731, 31914, 39462, 59193, 118386, 177579, 355158, 532737, 1065474, 1295669, 2591338, 3887007, 7774014, 11661021, 23322042, 34983063, 69966126, 104949189, 209898378]

約数ペア:

[(1, 209898378), (2, 104949189), (3, 69966126), (6, 34983063), (9, 23322042), (18, 11661021), (27, 7774014), (54, 3887007), (81, 2591338), (162, 1295669), (197, 1065474), (394, 532737), (591, 355158), (1182, 177579), (1773, 118386), (3546, 59193), (5319, 39462), (6577, 31914), (10638, 19731), (13154, 15957)]