81351664

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299087}}^1$

素因数の和:299112

約数の個数: 20

約数和(自身を含む): 166891104

約数和(自身を除く): 85539440

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299087, 598174, 1196348, 2392696, 4785392, 5084479, 10168958, 20337916, 40675832, 81351664]

約数ペア:

[(1, 81351664), (2, 40675832), (4, 20337916), (8, 10168958), (16, 5084479), (17, 4785392), (34, 2392696), (68, 1196348), (136, 598174), (272, 299087)]