221500564

素因数分解:

$2^2\times {\mathrm{131}}^1\times {\mathrm{422711}}^1$

素因数の和:422846

約数の個数: 12

約数和(自身を含む): 390585888

約数和(自身を除く): 169085324

約数列:

[1, 2, 4, 131, 262, 524, 422711, 845422, 1690844, 55375141, 110750282, 221500564]

約数ペア:

[(1, 221500564), (2, 110750282), (4, 55375141), (131, 1690844), (262, 845422), (524, 422711)]