201981616

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{407221}}^1$

素因数の和:407260

約数の個数: 20

約数和(自身を含む): 403964224

約数和(自身を除く): 201982608

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 407221, 814442, 1628884, 3257768, 6515536, 12623851, 25247702, 50495404, 100990808, 201981616]

約数ペア:

[(1, 201981616), (2, 100990808), (4, 50495404), (8, 25247702), (16, 12623851), (31, 6515536), (62, 3257768), (124, 1628884), (248, 814442), (496, 407221)]