2021919304

素因数分解:

$2^3\times {\mathrm{389}}^1\times {\mathrm{649717}}^1$

素因数の和:650112

約数の個数: 16

約数和(自身を含む): 3800850300

約数和(自身を除く): 1778930996

約数列:

[1, 2, 4, 8, 389, 778, 1556, 3112, 649717, 1299434, 2598868, 5197736, 252739913, 505479826, 1010959652, 2021919304]

約数ペア:

[(1, 2021919304), (2, 1010959652), (4, 505479826), (8, 252739913), (389, 5197736), (778, 2598868), (1556, 1299434), (3112, 649717)]