289997176

素因数分解:

$2^3\times 7^1\times {\mathrm{5178521}}^1$

素因数の和:5178534

約数の個数: 16

約数和(自身を含む): 621422640

約数和(自身を除く): 331425464

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 5178521, 10357042, 20714084, 36249647, 41428168, 72499294, 144998588, 289997176]

約数ペア:

[(1, 289997176), (2, 144998588), (4, 72499294), (7, 41428168), (8, 36249647), (14, 20714084), (28, 10357042), (56, 5178521)]