81980086

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{65167}}^1$

素因数の和:65223

約数の個数: 16

約数和(自身を含む): 133724736

約数和(自身を除く): 51744650

約数列:

[1, 2, 17, 34, 37, 74, 629, 1258, 65167, 130334, 1107839, 2215678, 2411179, 4822358, 40990043, 81980086]

約数ペア:

[(1, 81980086), (2, 40990043), (17, 4822358), (34, 2411179), (37, 2215678), (74, 1107839), (629, 130334), (1258, 65167)]