81420886

素因数分解:

$2^1\times {\mathrm{241}}^1\times {\mathrm{251}}^1\times {\mathrm{673}}^1$

素因数の和:1167

約数の個数: 16

約数和(自身を含む): 123309648

約数和(自身を除く): 41888762

約数列:

[1, 2, 241, 251, 482, 502, 673, 1346, 60491, 120982, 162193, 168923, 324386, 337846, 40710443, 81420886]

約数ペア:

[(1, 81420886), (2, 40710443), (241, 337846), (251, 324386), (482, 168923), (502, 162193), (673, 120982), (1346, 60491)]