81959984

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{103}}^1\times {\mathrm{1213}}^1$

素因数の和:1365

約数の個数: 40

約数和(自身を含む): 164385312

約数和(自身を除く): 82425328

約数列:

[1, 2, 4, 8, 16, 41, 82, 103, 164, 206, 328, 412, 656, 824, 1213, 1648, 2426, 4223, 4852, 8446, 9704, 16892, 19408, 33784, 49733, 67568, 99466, 124939, 198932, 249878, 397864, 499756, 795728, 999512, 1999024, 5122499, 10244998, 20489996, 40979992, 81959984]

約数ペア:

[(1, 81959984), (2, 40979992), (4, 20489996), (8, 10244998), (16, 5122499), (41, 1999024), (82, 999512), (103, 795728), (164, 499756), (206, 397864), (328, 249878), (412, 198932), (656, 124939), (824, 99466), (1213, 67568), (1648, 49733), (2426, 33784), (4223, 19408), (4852, 16892), (8446, 9704)]