222784190

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{57271}}^1$

素因数の和:57667

約数の個数: 16

約数和(自身を含む): 402049440

約数和(自身を除く): 179265250

約数列:

[1, 2, 5, 10, 389, 778, 1945, 3890, 57271, 114542, 286355, 572710, 22278419, 44556838, 111392095, 222784190]

約数ペア:

[(1, 222784190), (2, 111392095), (5, 44556838), (10, 22278419), (389, 572710), (778, 286355), (1945, 114542), (3890, 57271)]