28640108

素因数分解:

$2^2\times 7^2\times {\mathrm{47}}^1\times {\mathrm{3109}}^1$

素因数の和:3174

約数の個数: 36

約数和(自身を含む): 59562720

約数和(自身を除く): 30922612

約数列:

[1, 2, 4, 7, 14, 28, 47, 49, 94, 98, 188, 196, 329, 658, 1316, 2303, 3109, 4606, 6218, 9212, 12436, 21763, 43526, 87052, 146123, 152341, 292246, 304682, 584492, 609364, 1022861, 2045722, 4091444, 7160027, 14320054, 28640108]

約数ペア:

[(1, 28640108), (2, 14320054), (4, 7160027), (7, 4091444), (14, 2045722), (28, 1022861), (47, 609364), (49, 584492), (94, 304682), (98, 292246), (188, 152341), (196, 146123), (329, 87052), (658, 43526), (1316, 21763), (2303, 12436), (3109, 9212), (4606, 6218)]