81372266

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{3911}}^1$

素因数の和:4117

約数の個数: 16

約数和(自身を含む): 124495488

約数和(自身を除く): 43123222

約数列:

[1, 2, 101, 103, 202, 206, 3911, 7822, 10403, 20806, 395011, 402833, 790022, 805666, 40686133, 81372266]

約数ペア:

[(1, 81372266), (2, 40686133), (101, 805666), (103, 790022), (202, 402833), (206, 395011), (3911, 20806), (7822, 10403)]