209952272

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{139}}^1\times {\mathrm{1409}}^1$

素因数の和:1623

約数の個数: 40

約数和(自身を含む): 416119200

約数和(自身を除く): 206166928

約数列:

[1, 2, 4, 8, 16, 67, 134, 139, 268, 278, 536, 556, 1072, 1112, 1409, 2224, 2818, 5636, 9313, 11272, 18626, 22544, 37252, 74504, 94403, 149008, 188806, 195851, 377612, 391702, 755224, 783404, 1510448, 1566808, 3133616, 13122017, 26244034, 52488068, 104976136, 209952272]

約数ペア:

[(1, 209952272), (2, 104976136), (4, 52488068), (8, 26244034), (16, 13122017), (67, 3133616), (134, 1566808), (139, 1510448), (268, 783404), (278, 755224), (536, 391702), (556, 377612), (1072, 195851), (1112, 188806), (1409, 149008), (2224, 94403), (2818, 74504), (5636, 37252), (9313, 22544), (11272, 18626)]