81521392

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{299711}}^1$

素因数の和:299736

約数の個数: 20

約数和(自身を含む): 167239296

約数和(自身を除く): 85717904

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 299711, 599422, 1198844, 2397688, 4795376, 5095087, 10190174, 20380348, 40760696, 81521392]

約数ペア:

[(1, 81521392), (2, 40760696), (4, 20380348), (8, 10190174), (16, 5095087), (17, 4795376), (34, 2397688), (68, 1198844), (136, 599422), (272, 299711)]