71481815

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{20051}}^1$

素因数の和:20110

約数の個数: 16

約数和(自身を含む): 92399616

約数和(自身を除く): 20917801

約数列:

[1, 5, 23, 31, 115, 155, 713, 3565, 20051, 100255, 461173, 621581, 2305865, 3107905, 14296363, 71481815]

約数ペア:

[(1, 71481815), (5, 14296363), (23, 3107905), (31, 2305865), (115, 621581), (155, 461173), (713, 100255), (3565, 20051)]