639547788

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{167071}}^1$

素因数の和:167118

約数の個数: 48

約数和(自身を含む): 1684085760

約数和(自身を除く): 1044537972

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 29, 33, 44, 58, 66, 87, 116, 132, 174, 319, 348, 638, 957, 1276, 1914, 3828, 167071, 334142, 501213, 668284, 1002426, 1837781, 2004852, 3675562, 4845059, 5513343, 7351124, 9690118, 11026686, 14535177, 19380236, 22053372, 29070354, 53295649, 58140708, 106591298, 159886947, 213182596, 319773894, 639547788]

約数ペア:

[(1, 639547788), (2, 319773894), (3, 213182596), (4, 159886947), (6, 106591298), (11, 58140708), (12, 53295649), (22, 29070354), (29, 22053372), (33, 19380236), (44, 14535177), (58, 11026686), (66, 9690118), (87, 7351124), (116, 5513343), (132, 4845059), (174, 3675562), (319, 2004852), (348, 1837781), (638, 1002426), (957, 668284), (1276, 501213), (1914, 334142), (3828, 167071)]