623425649

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{20707}}^1$

素因数の和:20765

約数の個数: 32

約数和(自身を含む): 858802176

約数和(自身を除く): 235376527

約数列:

[1, 7, 11, 17, 23, 77, 119, 161, 187, 253, 391, 1309, 1771, 2737, 4301, 20707, 30107, 144949, 227777, 352019, 476261, 1594439, 2464133, 3333827, 3872209, 5238871, 8096437, 27105463, 36672097, 56675059, 89060807, 623425649]

約数ペア:

[(1, 623425649), (7, 89060807), (11, 56675059), (17, 36672097), (23, 27105463), (77, 8096437), (119, 5238871), (161, 3872209), (187, 3333827), (253, 2464133), (391, 1594439), (1309, 476261), (1771, 352019), (2737, 227777), (4301, 144949), (20707, 30107)]