28849904

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{2207}}^1$

素因数の和:2277

約数の個数: 40

約数和(自身を含む): 60234240

約数和(自身を除く): 31384336

約数列:

[1, 2, 4, 8, 16, 19, 38, 43, 76, 86, 152, 172, 304, 344, 688, 817, 1634, 2207, 3268, 4414, 6536, 8828, 13072, 17656, 35312, 41933, 83866, 94901, 167732, 189802, 335464, 379604, 670928, 759208, 1518416, 1803119, 3606238, 7212476, 14424952, 28849904]

約数ペア:

[(1, 28849904), (2, 14424952), (4, 7212476), (8, 3606238), (16, 1803119), (19, 1518416), (38, 759208), (43, 670928), (76, 379604), (86, 335464), (152, 189802), (172, 167732), (304, 94901), (344, 83866), (688, 41933), (817, 35312), (1634, 17656), (2207, 13072), (3268, 8828), (4414, 6536)]