28909356

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{197}}^1\times {\mathrm{1747}}^1$

素因数の和:1958

約数の個数: 48

約数和(自身を含む): 77527296

約数和(自身を除く): 48617940

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 197, 394, 591, 788, 1182, 1379, 1747, 2364, 2758, 3494, 4137, 5241, 5516, 6988, 8274, 10482, 12229, 16548, 20964, 24458, 36687, 48916, 73374, 146748, 344159, 688318, 1032477, 1376636, 2064954, 2409113, 4129908, 4818226, 7227339, 9636452, 14454678, 28909356]

約数ペア:

[(1, 28909356), (2, 14454678), (3, 9636452), (4, 7227339), (6, 4818226), (7, 4129908), (12, 2409113), (14, 2064954), (21, 1376636), (28, 1032477), (42, 688318), (84, 344159), (197, 146748), (394, 73374), (591, 48916), (788, 36687), (1182, 24458), (1379, 20964), (1747, 16548), (2364, 12229), (2758, 10482), (3494, 8274), (4137, 6988), (5241, 5516)]