213465610

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{239849}}^1$

素因数の和:239945

約数の個数: 16

約数和(自身を含む): 388557000

約数和(自身を除く): 175091390

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 239849, 479698, 1199245, 2398490, 21346561, 42693122, 106732805, 213465610]

約数ペア:

[(1, 213465610), (2, 106732805), (5, 42693122), (10, 21346561), (89, 2398490), (178, 1199245), (445, 479698), (890, 239849)]