81667439

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{10243}}^1$

素因数の和:10334

約数の個数: 16

約数和(自身を含む): 100309248

約数和(自身を除く): 18641809

約数列:

[1, 7, 17, 67, 119, 469, 1139, 7973, 10243, 71701, 174131, 686281, 1218917, 4803967, 11666777, 81667439]

約数ペア:

[(1, 81667439), (7, 11666777), (17, 4803967), (67, 1218917), (119, 686281), (469, 174131), (1139, 71701), (7973, 10243)]