40028778

素因数分解:

$2^1\times 3^2\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:791

約数の個数: 48

約数和(自身を含む): 92369160

約数和(自身を除く): 52340382

約数列:

[1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, 257, 306, 509, 514, 771, 1018, 1527, 1542, 2313, 3054, 4369, 4581, 4626, 8653, 8738, 9162, 13107, 17306, 25959, 26214, 39321, 51918, 77877, 78642, 130813, 155754, 261626, 392439, 784878, 1177317, 2223821, 2354634, 4447642, 6671463, 13342926, 20014389, 40028778]

約数ペア:

[(1, 40028778), (2, 20014389), (3, 13342926), (6, 6671463), (9, 4447642), (17, 2354634), (18, 2223821), (34, 1177317), (51, 784878), (102, 392439), (153, 261626), (257, 155754), (306, 130813), (509, 78642), (514, 77877), (771, 51918), (1018, 39321), (1527, 26214), (1542, 25959), (2313, 17306), (3054, 13107), (4369, 9162), (4581, 8738), (4626, 8653)]