28072008

素因数分解:

$2^3\times 3^4\times {\mathrm{43321}}^1$

素因数の和:43339

約数の個数: 40

約数和(自身を含む): 78629430

約数和(自身を除く): 50557422

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 81, 108, 162, 216, 324, 648, 43321, 86642, 129963, 173284, 259926, 346568, 389889, 519852, 779778, 1039704, 1169667, 1559556, 2339334, 3119112, 3509001, 4678668, 7018002, 9357336, 14036004, 28072008]

約数ペア:

[(1, 28072008), (2, 14036004), (3, 9357336), (4, 7018002), (6, 4678668), (8, 3509001), (9, 3119112), (12, 2339334), (18, 1559556), (24, 1169667), (27, 1039704), (36, 779778), (54, 519852), (72, 389889), (81, 346568), (108, 259926), (162, 173284), (216, 129963), (324, 86642), (648, 43321)]