81801008

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{300739}}^1$

素因数の和:300764

約数の個数: 20

約数和(自身を含む): 167812920

約数和(自身を除く): 86011912

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 300739, 601478, 1202956, 2405912, 4811824, 5112563, 10225126, 20450252, 40900504, 81801008]

約数ペア:

[(1, 81801008), (2, 40900504), (4, 20450252), (8, 10225126), (16, 5112563), (17, 4811824), (34, 2405912), (68, 1202956), (136, 601478), (272, 300739)]