221428234

素因数分解:

$2^1\times {\mathrm{443}}^1\times {\mathrm{491}}^1\times {\mathrm{509}}^1$

素因数の和:1445

約数の個数: 16

約数和(自身を含む): 334225440

約数和(自身を除く): 112797206

約数列:

[1, 2, 443, 491, 509, 886, 982, 1018, 217513, 225487, 249919, 435026, 450974, 499838, 110714117, 221428234]

約数ペア:

[(1, 221428234), (2, 110714117), (443, 499838), (491, 450974), (509, 435026), (886, 249919), (982, 225487), (1018, 217513)]