25399199

素因数分解:

$7^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{727}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 31868928

約数和(自身を除く): 6469729

約数列:

[1, 7, 23, 31, 49, 161, 217, 713, 727, 1127, 1519, 4991, 5089, 16721, 22537, 34937, 35623, 117047, 157759, 518351, 819329, 1104313, 3628457, 25399199]

約数ペア:

[(1, 25399199), (7, 3628457), (23, 1104313), (31, 819329), (49, 518351), (161, 157759), (217, 117047), (713, 35623), (727, 34937), (1127, 22537), (1519, 16721), (4991, 5089)]