681097249

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{44207}}^1$

素因数の和:44316

約数の個数: 16

約数和(自身を含む): 814841856

約数和(自身を除く): 133744607

約数列:

[1, 7, 31, 71, 217, 497, 2201, 15407, 44207, 309449, 1370417, 3138697, 9592919, 21970879, 97299607, 681097249]

約数ペア:

[(1, 681097249), (7, 97299607), (31, 21970879), (71, 9592919), (217, 3138697), (497, 1370417), (2201, 309449), (15407, 44207)]