81328255

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{59}}^1\times {\mathrm{16217}}^1$

素因数の和:16298

約数の個数: 16

約数和(自身を含む): 105092640

約数和(自身を除く): 23764385

約数列:

[1, 5, 17, 59, 85, 295, 1003, 5015, 16217, 81085, 275689, 956803, 1378445, 4784015, 16265651, 81328255]

約数ペア:

[(1, 81328255), (5, 16265651), (17, 4784015), (59, 1378445), (85, 956803), (295, 275689), (1003, 81085), (5015, 16217)]