28250166

素因数分解:

$2^1\times 3^1\times 7^4\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:123

約数の個数: 80

約数和(自身を含む): 68971824

約数和(自身を除く): 40721658

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 49, 53, 74, 98, 106, 111, 147, 159, 222, 259, 294, 318, 343, 371, 518, 686, 742, 777, 1029, 1113, 1554, 1813, 1961, 2058, 2226, 2401, 2597, 3626, 3922, 4802, 5194, 5439, 5883, 7203, 7791, 10878, 11766, 12691, 13727, 14406, 15582, 18179, 25382, 27454, 36358, 38073, 41181, 54537, 76146, 82362, 88837, 96089, 109074, 127253, 177674, 192178, 254506, 266511, 288267, 381759, 533022, 576534, 672623, 763518, 1345246, 2017869, 4035738, 4708361, 9416722, 14125083, 28250166]

約数ペア:

[(1, 28250166), (2, 14125083), (3, 9416722), (6, 4708361), (7, 4035738), (14, 2017869), (21, 1345246), (37, 763518), (42, 672623), (49, 576534), (53, 533022), (74, 381759), (98, 288267), (106, 266511), (111, 254506), (147, 192178), (159, 177674), (222, 127253), (259, 109074), (294, 96089), (318, 88837), (343, 82362), (371, 76146), (518, 54537), (686, 41181), (742, 38073), (777, 36358), (1029, 27454), (1113, 25382), (1554, 18179), (1813, 15582), (1961, 14406), (2058, 13727), (2226, 12691), (2401, 11766), (2597, 10878), (3626, 7791), (3922, 7203), (4802, 5883), (5194, 5439)]