206815868

素因数分解:

$2^2\times 7^2\times {\mathrm{67}}^1\times {\mathrm{15749}}^1$

素因数の和:15834

約数の個数: 36

約数和(自身を含む): 427329000

約数和(自身を除く): 220513132

約数列:

[1, 2, 4, 7, 14, 28, 49, 67, 98, 134, 196, 268, 469, 938, 1876, 3283, 6566, 13132, 15749, 31498, 62996, 110243, 220486, 440972, 771701, 1055183, 1543402, 2110366, 3086804, 4220732, 7386281, 14772562, 29545124, 51703967, 103407934, 206815868]

約数ペア:

[(1, 206815868), (2, 103407934), (4, 51703967), (7, 29545124), (14, 14772562), (28, 7386281), (49, 4220732), (67, 3086804), (98, 2110366), (134, 1543402), (196, 1055183), (268, 771701), (469, 440972), (938, 220486), (1876, 110243), (3283, 62996), (6566, 31498), (13132, 15749)]