28390266

素因数分解:

$2^1\times 3^2\times {\mathrm{1087}}^1\times {\mathrm{1451}}^1$

素因数の和:2546

約数の個数: 24

約数和(自身を含む): 61611264

約数和(自身を除く): 33220998

約数列:

[1, 2, 3, 6, 9, 18, 1087, 1451, 2174, 2902, 3261, 4353, 6522, 8706, 9783, 13059, 19566, 26118, 1577237, 3154474, 4731711, 9463422, 14195133, 28390266]

約数ペア:

[(1, 28390266), (2, 14195133), (3, 9463422), (6, 4731711), (9, 3154474), (18, 1577237), (1087, 26118), (1451, 19566), (2174, 13059), (2902, 9783), (3261, 8706), (4353, 6522)]