81305904

素因数分解:

$2^4\times 3^1\times {\mathrm{157}}^1\times {\mathrm{10789}}^1$

素因数の和:10957

約数の個数: 40

約数和(自身を含む): 211397680

約数和(自身を除く): 130091776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 157, 314, 471, 628, 942, 1256, 1884, 2512, 3768, 7536, 10789, 21578, 32367, 43156, 64734, 86312, 129468, 172624, 258936, 517872, 1693873, 3387746, 5081619, 6775492, 10163238, 13550984, 20326476, 27101968, 40652952, 81305904]

約数ペア:

[(1, 81305904), (2, 40652952), (3, 27101968), (4, 20326476), (6, 13550984), (8, 10163238), (12, 6775492), (16, 5081619), (24, 3387746), (48, 1693873), (157, 517872), (314, 258936), (471, 172624), (628, 129468), (942, 86312), (1256, 64734), (1884, 43156), (2512, 32367), (3768, 21578), (7536, 10789)]