87940322

素因数分解:

$2^1\times {\mathrm{19}}^2\times {\mathrm{349}}^2$

素因数の和:738

約数の個数: 18

約数和(自身を含む): 139618593

約数和(自身を除く): 51678271

約数列:

[1, 2, 19, 38, 349, 361, 698, 722, 6631, 13262, 121801, 125989, 243602, 251978, 2314219, 4628438, 43970161, 87940322]

約数ペア:

[(1, 87940322), (2, 43970161), (19, 4628438), (38, 2314219), (349, 251978), (361, 243602), (698, 125989), (722, 121801), (6631, 13262)]