251237574

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{1993949}}^1$

素因数の和:1993964

約数の個数: 24

約数和(自身を含む): 622112400

約数和(自身を除く): 370874826

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 1993949, 3987898, 5981847, 11963694, 13957643, 17945541, 27915286, 35891082, 41872929, 83745858, 125618787, 251237574]

約数ペア:

[(1, 251237574), (2, 125618787), (3, 83745858), (6, 41872929), (7, 35891082), (9, 27915286), (14, 17945541), (18, 13957643), (21, 11963694), (42, 5981847), (63, 3987898), (126, 1993949)]