81721176

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{200297}}^1$

素因数の和:200323

約数の個数: 32

約数和(自身を含む): 216321840

約数和(自身を除く): 134600664

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 200297, 400594, 600891, 801188, 1201782, 1602376, 2403564, 3405049, 4807128, 6810098, 10215147, 13620196, 20430294, 27240392, 40860588, 81721176]

約数ペア:

[(1, 81721176), (2, 40860588), (3, 27240392), (4, 20430294), (6, 13620196), (8, 10215147), (12, 6810098), (17, 4807128), (24, 3405049), (34, 2403564), (51, 1602376), (68, 1201782), (102, 801188), (136, 600891), (204, 400594), (408, 200297)]