28189122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{827}}^1$

素因数の和:887

約数の個数: 64

約数和(自身を含む): 66769920

約数和(自身を除く): 38580798

約数列:

[1, 2, 3, 6, 13, 19, 23, 26, 38, 39, 46, 57, 69, 78, 114, 138, 247, 299, 437, 494, 598, 741, 827, 874, 897, 1311, 1482, 1654, 1794, 2481, 2622, 4962, 5681, 10751, 11362, 15713, 17043, 19021, 21502, 31426, 32253, 34086, 38042, 47139, 57063, 64506, 94278, 114126, 204269, 247273, 361399, 408538, 494546, 612807, 722798, 741819, 1084197, 1225614, 1483638, 2168394, 4698187, 9396374, 14094561, 28189122]

約数ペア:

[(1, 28189122), (2, 14094561), (3, 9396374), (6, 4698187), (13, 2168394), (19, 1483638), (23, 1225614), (26, 1084197), (38, 741819), (39, 722798), (46, 612807), (57, 494546), (69, 408538), (78, 361399), (114, 247273), (138, 204269), (247, 114126), (299, 94278), (437, 64506), (494, 57063), (598, 47139), (741, 38042), (827, 34086), (874, 32253), (897, 31426), (1311, 21502), (1482, 19021), (1654, 17043), (1794, 15713), (2481, 11362), (2622, 10751), (4962, 5681)]