81987566

素因数分解:

$2^1\times {\mathrm{17}}^2\times {\mathrm{83}}^1\times {\mathrm{1709}}^1$

素因数の和:1828

約数の個数: 24

約数和(自身を含む): 132292440

約数和(自身を除く): 50304874

約数列:

[1, 2, 17, 34, 83, 166, 289, 578, 1411, 1709, 2822, 3418, 23987, 29053, 47974, 58106, 141847, 283694, 493901, 987802, 2411399, 4822798, 40993783, 81987566]

約数ペア:

[(1, 81987566), (2, 40993783), (17, 4822798), (34, 2411399), (83, 987802), (166, 493901), (289, 283694), (578, 141847), (1411, 58106), (1709, 47974), (2822, 29053), (3418, 23987)]