663485996

素因数分解:

$2^2\times {\mathrm{17}}^1\times {\mathrm{2207}}^1\times {\mathrm{4421}}^1$

素因数の和:6649

約数の個数: 24

約数和(自身を含む): 1230235776

約数和(自身を除く): 566749780

約数列:

[1, 2, 4, 17, 34, 68, 2207, 4414, 4421, 8828, 8842, 17684, 37519, 75038, 75157, 150076, 150314, 300628, 9757147, 19514294, 39028588, 165871499, 331742998, 663485996]

約数ペア:

[(1, 663485996), (2, 331742998), (4, 165871499), (17, 39028588), (34, 19514294), (68, 9757147), (2207, 300628), (4414, 150314), (4421, 150076), (8828, 75157), (8842, 75038), (17684, 37519)]