15856686

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:377

約数の個数: 48

約数和(自身を含む): 35887488

約数和(自身を除く): 20030802

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 157, 181, 186, 279, 314, 362, 471, 543, 558, 942, 1086, 1413, 1629, 2826, 3258, 4867, 5611, 9734, 11222, 14601, 16833, 28417, 29202, 33666, 43803, 50499, 56834, 85251, 87606, 100998, 170502, 255753, 511506, 880927, 1761854, 2642781, 5285562, 7928343, 15856686]

約数ペア:

[(1, 15856686), (2, 7928343), (3, 5285562), (6, 2642781), (9, 1761854), (18, 880927), (31, 511506), (62, 255753), (93, 170502), (157, 100998), (181, 87606), (186, 85251), (279, 56834), (314, 50499), (362, 43803), (471, 33666), (543, 29202), (558, 28417), (942, 16833), (1086, 14601), (1413, 11222), (1629, 9734), (2826, 5611), (3258, 4867)]