257778684

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{421207}}^1$

素因数の和:421234

約数の個数: 36

約数和(自身を含む): 689938704

約数和(自身を除く): 432160020

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 612, 421207, 842414, 1263621, 1684828, 2527242, 3790863, 5054484, 7160519, 7581726, 14321038, 15163452, 21481557, 28642076, 42963114, 64444671, 85926228, 128889342, 257778684]

約数ペア:

[(1, 257778684), (2, 128889342), (3, 85926228), (4, 64444671), (6, 42963114), (9, 28642076), (12, 21481557), (17, 15163452), (18, 14321038), (34, 7581726), (36, 7160519), (51, 5054484), (68, 3790863), (102, 2527242), (153, 1684828), (204, 1263621), (306, 842414), (612, 421207)]