31289402

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{239}}^1\times {\mathrm{977}}^1$

素因数の和:1285

約数の個数: 16

約数和(自身を含む): 47882880

約数和(自身を除く): 16593478

約数列:

[1, 2, 67, 134, 239, 478, 977, 1954, 16013, 32026, 65459, 130918, 233503, 467006, 15644701, 31289402]

約数ペア:

[(1, 31289402), (2, 15644701), (67, 467006), (134, 233503), (239, 130918), (478, 65459), (977, 32026), (1954, 16013)]