209570508

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{157}}^1\times {\mathrm{5297}}^1$

素因数の和:5471

約数の個数: 72

約数和(自身を含む): 609397152

約数和(自身を除く): 399826644

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 157, 252, 314, 471, 628, 942, 1099, 1413, 1884, 2198, 2826, 3297, 4396, 5297, 5652, 6594, 9891, 10594, 13188, 15891, 19782, 21188, 31782, 37079, 39564, 47673, 63564, 74158, 95346, 111237, 148316, 190692, 222474, 333711, 444948, 667422, 831629, 1334844, 1663258, 2494887, 3326516, 4989774, 5821403, 7484661, 9979548, 11642806, 14969322, 17464209, 23285612, 29938644, 34928418, 52392627, 69856836, 104785254, 209570508]

約数ペア:

[(1, 209570508), (2, 104785254), (3, 69856836), (4, 52392627), (6, 34928418), (7, 29938644), (9, 23285612), (12, 17464209), (14, 14969322), (18, 11642806), (21, 9979548), (28, 7484661), (36, 5821403), (42, 4989774), (63, 3326516), (84, 2494887), (126, 1663258), (157, 1334844), (252, 831629), (314, 667422), (471, 444948), (628, 333711), (942, 222474), (1099, 190692), (1413, 148316), (1884, 111237), (2198, 95346), (2826, 74158), (3297, 63564), (4396, 47673), (5297, 39564), (5652, 37079), (6594, 31782), (9891, 21188), (10594, 19782), (13188, 15891)]