205121756

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{1609}}^1$

素因数の和:1806

約数の個数: 48

約数和(自身を含む): 427358400

約数和(自身を除く): 222236644

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 116, 157, 203, 314, 406, 628, 812, 1099, 1609, 2198, 3218, 4396, 4553, 6436, 9106, 11263, 18212, 22526, 31871, 45052, 46661, 63742, 93322, 127484, 186644, 252613, 326627, 505226, 653254, 1010452, 1306508, 1768291, 3536582, 7073164, 7325777, 14651554, 29303108, 51280439, 102560878, 205121756]

約数ペア:

[(1, 205121756), (2, 102560878), (4, 51280439), (7, 29303108), (14, 14651554), (28, 7325777), (29, 7073164), (58, 3536582), (116, 1768291), (157, 1306508), (203, 1010452), (314, 653254), (406, 505226), (628, 326627), (812, 252613), (1099, 186644), (1609, 127484), (2198, 93322), (3218, 63742), (4396, 46661), (4553, 45052), (6436, 31871), (9106, 22526), (11263, 18212)]