28492856

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{439}}^1$

素因数の和:532

約数の個数: 64

約数和(自身を含む): 65472000

約数和(自身を除く): 36979144

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 61, 76, 122, 133, 152, 244, 266, 427, 439, 488, 532, 854, 878, 1064, 1159, 1708, 1756, 2318, 3073, 3416, 3512, 4636, 6146, 8113, 8341, 9272, 12292, 16226, 16682, 24584, 26779, 32452, 33364, 53558, 58387, 64904, 66728, 107116, 116774, 187453, 214232, 233548, 374906, 467096, 508801, 749812, 1017602, 1499624, 2035204, 3561607, 4070408, 7123214, 14246428, 28492856]

約数ペア:

[(1, 28492856), (2, 14246428), (4, 7123214), (7, 4070408), (8, 3561607), (14, 2035204), (19, 1499624), (28, 1017602), (38, 749812), (56, 508801), (61, 467096), (76, 374906), (122, 233548), (133, 214232), (152, 187453), (244, 116774), (266, 107116), (427, 66728), (439, 64904), (488, 58387), (532, 53558), (854, 33364), (878, 32452), (1064, 26779), (1159, 24584), (1708, 16682), (1756, 16226), (2318, 12292), (3073, 9272), (3416, 8341), (3512, 8113), (4636, 6146)]