209218996

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{158981}}^1$

素因数の和:159039

約数の個数: 24

約数和(自身を含む): 427343616

約数和(自身を除く): 218124620

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 658, 1316, 158981, 317962, 635924, 1112867, 2225734, 4451468, 7472107, 14944214, 29888428, 52304749, 104609498, 209218996]

約数ペア:

[(1, 209218996), (2, 104609498), (4, 52304749), (7, 29888428), (14, 14944214), (28, 7472107), (47, 4451468), (94, 2225734), (188, 1112867), (329, 635924), (658, 317962), (1316, 158981)]