87690290

素因数分解:

$2^1\times 5^1\times {\mathrm{223}}^1\times {\mathrm{39323}}^1$

素因数の和:39553

約数の個数: 16

約数和(自身を含む): 158554368

約数和(自身を除く): 70864078

約数列:

[1, 2, 5, 10, 223, 446, 1115, 2230, 39323, 78646, 196615, 393230, 8769029, 17538058, 43845145, 87690290]

約数ペア:

[(1, 87690290), (2, 43845145), (5, 17538058), (10, 8769029), (223, 393230), (446, 196615), (1115, 78646), (2230, 39323)]