258980666

素因数分解:

$2^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{28859}}^1$

素因数の和:29509

約数の個数: 16

約数和(自身を含む): 444674880

約数和(自身を除く): 185694214

約数列:

[1, 2, 7, 14, 641, 1282, 4487, 8974, 28859, 57718, 202013, 404026, 18498619, 36997238, 129490333, 258980666]

約数ペア:

[(1, 258980666), (2, 129490333), (7, 36997238), (14, 18498619), (641, 404026), (1282, 202013), (4487, 57718), (8974, 28859)]