221279282

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^2\times {\mathrm{43783}}^1$

素因数の和:43830

約数の個数: 24

約数和(自身を含む): 400360896

約数和(自身を除く): 179081614

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 361, 722, 2527, 5054, 43783, 87566, 306481, 612962, 831877, 1663754, 5823139, 11646278, 15805663, 31611326, 110639641, 221279282]

約数ペア:

[(1, 221279282), (2, 110639641), (7, 31611326), (14, 15805663), (19, 11646278), (38, 5823139), (133, 1663754), (266, 831877), (361, 612962), (722, 306481), (2527, 87566), (5054, 43783)]