28571004

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{937}}^1$

素因数の和:976

約数の個数: 108

約数和(自身を含む): 90820912

約数和(自身を除く): 62249908

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 937, 1089, 1386, 1452, 1694, 1874, 2178, 2541, 2772, 2811, 3388, 3748, 4356, 5082, 5622, 6559, 7623, 8433, 10164, 10307, 11244, 13118, 15246, 16866, 19677, 20614, 26236, 30492, 30921, 33732, 39354, 41228, 59031, 61842, 72149, 78708, 92763, 113377, 118062, 123684, 144298, 185526, 216447, 226754, 236124, 288596, 340131, 371052, 432894, 453508, 649341, 680262, 793639, 865788, 1020393, 1298682, 1360524, 1587278, 2040786, 2380917, 2597364, 3174556, 4081572, 4761834, 7142751, 9523668, 14285502, 28571004]

約数ペア:

[(1, 28571004), (2, 14285502), (3, 9523668), (4, 7142751), (6, 4761834), (7, 4081572), (9, 3174556), (11, 2597364), (12, 2380917), (14, 2040786), (18, 1587278), (21, 1360524), (22, 1298682), (28, 1020393), (33, 865788), (36, 793639), (42, 680262), (44, 649341), (63, 453508), (66, 432894), (77, 371052), (84, 340131), (99, 288596), (121, 236124), (126, 226754), (132, 216447), (154, 185526), (198, 144298), (231, 123684), (242, 118062), (252, 113377), (308, 92763), (363, 78708), (396, 72149), (462, 61842), (484, 59031), (693, 41228), (726, 39354), (847, 33732), (924, 30921), (937, 30492), (1089, 26236), (1386, 20614), (1452, 19677), (1694, 16866), (1874, 15246), (2178, 13118), (2541, 11244), (2772, 10307), (2811, 10164), (3388, 8433), (3748, 7623), (4356, 6559), (5082, 5622)]