81147384

素因数分解:

$2^3\times 3^2\times {\mathrm{73}}^1\times {\mathrm{15439}}^1$

素因数の和:15524

約数の個数: 48

約数和(自身を含む): 222799200

約数和(自身を除く): 141651816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 73, 146, 219, 292, 438, 584, 657, 876, 1314, 1752, 2628, 5256, 15439, 30878, 46317, 61756, 92634, 123512, 138951, 185268, 277902, 370536, 555804, 1111608, 1127047, 2254094, 3381141, 4508188, 6762282, 9016376, 10143423, 13524564, 20286846, 27049128, 40573692, 81147384]

約数ペア:

[(1, 81147384), (2, 40573692), (3, 27049128), (4, 20286846), (6, 13524564), (8, 10143423), (9, 9016376), (12, 6762282), (18, 4508188), (24, 3381141), (36, 2254094), (72, 1127047), (73, 1111608), (146, 555804), (219, 370536), (292, 277902), (438, 185268), (584, 138951), (657, 123512), (876, 92634), (1314, 61756), (1752, 46317), (2628, 30878), (5256, 15439)]