208021954

素因数分解:

$2^1\times 7^3\times {\mathrm{263}}^1\times {\mathrm{1153}}^1$

素因数の和:1439

約数の個数: 32

約数和(自身を含む): 365587200

約数和(自身を除く): 157565246

約数列:

[1, 2, 7, 14, 49, 98, 263, 343, 526, 686, 1153, 1841, 2306, 3682, 8071, 12887, 16142, 25774, 56497, 90209, 112994, 180418, 303239, 395479, 606478, 790958, 2122673, 4245346, 14858711, 29717422, 104010977, 208021954]

約数ペア:

[(1, 208021954), (2, 104010977), (7, 29717422), (14, 14858711), (49, 4245346), (98, 2122673), (263, 790958), (343, 606478), (526, 395479), (686, 303239), (1153, 180418), (1841, 112994), (2306, 90209), (3682, 56497), (8071, 25774), (12887, 16142)]