81748728

素因数分解:

$2^3\times 3^2\times {\mathrm{173}}^1\times {\mathrm{6563}}^1$

素因数の和:6748

約数の個数: 48

約数和(自身を含む): 222716520

約数和(自身を除く): 140967792

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 173, 346, 519, 692, 1038, 1384, 1557, 2076, 3114, 4152, 6228, 6563, 12456, 13126, 19689, 26252, 39378, 52504, 59067, 78756, 118134, 157512, 236268, 472536, 1135399, 2270798, 3406197, 4541596, 6812394, 9083192, 10218591, 13624788, 20437182, 27249576, 40874364, 81748728]

約数ペア:

[(1, 81748728), (2, 40874364), (3, 27249576), (4, 20437182), (6, 13624788), (8, 10218591), (9, 9083192), (12, 6812394), (18, 4541596), (24, 3406197), (36, 2270798), (72, 1135399), (173, 472536), (346, 236268), (519, 157512), (692, 118134), (1038, 78756), (1384, 59067), (1557, 52504), (2076, 39378), (3114, 26252), (4152, 19689), (6228, 13126), (6563, 12456)]