172840444

素因数分解:

$2^2\times 7^3\times {\mathrm{263}}^1\times {\mathrm{479}}^1$

素因数の和:767

約数の個数: 48

約数和(自身を含む): 354816000

約数和(自身を除く): 181975556

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 263, 343, 479, 526, 686, 958, 1052, 1372, 1841, 1916, 3353, 3682, 6706, 7364, 12887, 13412, 23471, 25774, 46942, 51548, 90209, 93884, 125977, 164297, 180418, 251954, 328594, 360836, 503908, 657188, 881839, 1763678, 3527356, 6172873, 12345746, 24691492, 43210111, 86420222, 172840444]

約数ペア:

[(1, 172840444), (2, 86420222), (4, 43210111), (7, 24691492), (14, 12345746), (28, 6172873), (49, 3527356), (98, 1763678), (196, 881839), (263, 657188), (343, 503908), (479, 360836), (526, 328594), (686, 251954), (958, 180418), (1052, 164297), (1372, 125977), (1841, 93884), (1916, 90209), (3353, 51548), (3682, 46942), (6706, 25774), (7364, 23471), (12887, 13412)]