2221190

素因数分解:

$2^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{571}}^1$

素因数の和:967

約数の個数: 16

約数和(自身を含む): 4015440

約数和(自身を除く): 1794250

約数列:

[1, 2, 5, 10, 389, 571, 778, 1142, 1945, 2855, 3890, 5710, 222119, 444238, 1110595, 2221190]

約数ペア:

[(1, 2221190), (2, 1110595), (5, 444238), (10, 222119), (389, 5710), (571, 3890), (778, 2855), (1142, 1945)]