28065128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{2029}}^1$

素因数の和:2074

約数の個数: 64

約数和(自身を含む): 68208000

約数和(自身を除く): 40142872

約数列:

[1, 2, 4, 7, 8, 13, 14, 19, 26, 28, 38, 52, 56, 76, 91, 104, 133, 152, 182, 247, 266, 364, 494, 532, 728, 988, 1064, 1729, 1976, 2029, 3458, 4058, 6916, 8116, 13832, 14203, 16232, 26377, 28406, 38551, 52754, 56812, 77102, 105508, 113624, 154204, 184639, 211016, 269857, 308408, 369278, 501163, 539714, 738556, 1002326, 1079428, 1477112, 2004652, 2158856, 3508141, 4009304, 7016282, 14032564, 28065128]

約数ペア:

[(1, 28065128), (2, 14032564), (4, 7016282), (7, 4009304), (8, 3508141), (13, 2158856), (14, 2004652), (19, 1477112), (26, 1079428), (28, 1002326), (38, 738556), (52, 539714), (56, 501163), (76, 369278), (91, 308408), (104, 269857), (133, 211016), (152, 184639), (182, 154204), (247, 113624), (266, 105508), (364, 77102), (494, 56812), (532, 52754), (728, 38551), (988, 28406), (1064, 26377), (1729, 16232), (1976, 14203), (2029, 13832), (3458, 8116), (4058, 6916)]