28090008

素因数分解:

$2^3\times 3^2\times {\mathrm{43}}^2\times {\mathrm{211}}^1$

素因数の和:309

約数の個数: 72

約数和(自身を含む): 78256620

約数和(自身を除く): 50166612

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 43, 72, 86, 129, 172, 211, 258, 344, 387, 422, 516, 633, 774, 844, 1032, 1266, 1548, 1688, 1849, 1899, 2532, 3096, 3698, 3798, 5064, 5547, 7396, 7596, 9073, 11094, 14792, 15192, 16641, 18146, 22188, 27219, 33282, 36292, 44376, 54438, 66564, 72584, 81657, 108876, 133128, 163314, 217752, 326628, 390139, 653256, 780278, 1170417, 1560556, 2340834, 3121112, 3511251, 4681668, 7022502, 9363336, 14045004, 28090008]

約数ペア:

[(1, 28090008), (2, 14045004), (3, 9363336), (4, 7022502), (6, 4681668), (8, 3511251), (9, 3121112), (12, 2340834), (18, 1560556), (24, 1170417), (36, 780278), (43, 653256), (72, 390139), (86, 326628), (129, 217752), (172, 163314), (211, 133128), (258, 108876), (344, 81657), (387, 72584), (422, 66564), (516, 54438), (633, 44376), (774, 36292), (844, 33282), (1032, 27219), (1266, 22188), (1548, 18146), (1688, 16641), (1849, 15192), (1899, 14792), (2532, 11094), (3096, 9073), (3698, 7596), (3798, 7396), (5064, 5547)]