28784316

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{499}}^1$

素因数の和:559

約数の個数: 96

約数和(自身を含む): 80640000

約数和(自身を除く): 51855684

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 23, 33, 38, 44, 46, 57, 66, 69, 76, 92, 114, 132, 138, 209, 228, 253, 276, 418, 437, 499, 506, 627, 759, 836, 874, 998, 1012, 1254, 1311, 1497, 1518, 1748, 1996, 2508, 2622, 2994, 3036, 4807, 5244, 5489, 5988, 9481, 9614, 10978, 11477, 14421, 16467, 18962, 19228, 21956, 22954, 28443, 28842, 32934, 34431, 37924, 45908, 56886, 57684, 65868, 68862, 104291, 113772, 126247, 137724, 208582, 218063, 252494, 312873, 378741, 417164, 436126, 504988, 625746, 654189, 757482, 872252, 1251492, 1308378, 1514964, 2398693, 2616756, 4797386, 7196079, 9594772, 14392158, 28784316]

約数ペア:

[(1, 28784316), (2, 14392158), (3, 9594772), (4, 7196079), (6, 4797386), (11, 2616756), (12, 2398693), (19, 1514964), (22, 1308378), (23, 1251492), (33, 872252), (38, 757482), (44, 654189), (46, 625746), (57, 504988), (66, 436126), (69, 417164), (76, 378741), (92, 312873), (114, 252494), (132, 218063), (138, 208582), (209, 137724), (228, 126247), (253, 113772), (276, 104291), (418, 68862), (437, 65868), (499, 57684), (506, 56886), (627, 45908), (759, 37924), (836, 34431), (874, 32934), (998, 28842), (1012, 28443), (1254, 22954), (1311, 21956), (1497, 19228), (1518, 18962), (1748, 16467), (1996, 14421), (2508, 11477), (2622, 10978), (2994, 9614), (3036, 9481), (4807, 5988), (5244, 5489)]