218378424

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{19237}}^1$

素因数の和:19300

約数の個数: 64

約数和(自身を含む): 609459840

約数和(自身を除く): 391081416

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 43, 44, 66, 86, 88, 129, 132, 172, 258, 264, 344, 473, 516, 946, 1032, 1419, 1892, 2838, 3784, 5676, 11352, 19237, 38474, 57711, 76948, 115422, 153896, 211607, 230844, 423214, 461688, 634821, 827191, 846428, 1269642, 1654382, 1692856, 2481573, 2539284, 3308764, 4963146, 5078568, 6617528, 9099101, 9926292, 18198202, 19852584, 27297303, 36396404, 54594606, 72792808, 109189212, 218378424]

約数ペア:

[(1, 218378424), (2, 109189212), (3, 72792808), (4, 54594606), (6, 36396404), (8, 27297303), (11, 19852584), (12, 18198202), (22, 9926292), (24, 9099101), (33, 6617528), (43, 5078568), (44, 4963146), (66, 3308764), (86, 2539284), (88, 2481573), (129, 1692856), (132, 1654382), (172, 1269642), (258, 846428), (264, 827191), (344, 634821), (473, 461688), (516, 423214), (946, 230844), (1032, 211607), (1419, 153896), (1892, 115422), (2838, 76948), (3784, 57711), (5676, 38474), (11352, 19237)]