289474808

素因数分解:

$2^3\times 7^1\times {\mathrm{461}}^1\times {\mathrm{11213}}^1$

素因数の和:11687

約数の個数: 32

約数和(自身を含む): 621704160

約数和(自身を除く): 332229352

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 461, 922, 1844, 3227, 3688, 6454, 11213, 12908, 22426, 25816, 44852, 78491, 89704, 156982, 313964, 627928, 5169193, 10338386, 20676772, 36184351, 41353544, 72368702, 144737404, 289474808]

約数ペア:

[(1, 289474808), (2, 144737404), (4, 72368702), (7, 41353544), (8, 36184351), (14, 20676772), (28, 10338386), (56, 5169193), (461, 627928), (922, 313964), (1844, 156982), (3227, 89704), (3688, 78491), (6454, 44852), (11213, 25816), (12908, 22426)]