261569235748

素因数分解:

$2^2\times {\mathrm{37}}^1\times {\mathrm{67}}^2\times {\mathrm{393709}}^1$

素因数の和:393884

約数の個数: 36

約数和(自身を含む): 477240301020

約数和(自身を除く): 215671065272

約数列:

[1, 2, 4, 37, 67, 74, 134, 148, 268, 2479, 4489, 4958, 8978, 9916, 17956, 166093, 332186, 393709, 664372, 787418, 1574836, 14567233, 26378503, 29134466, 52757006, 58268932, 105514012, 976004611, 1767359701, 1952009222, 3534719402, 3904018444, 7069438804, 65392308937, 130784617874, 261569235748]

約数ペア:

[(1, 261569235748), (2, 130784617874), (4, 65392308937), (37, 7069438804), (67, 3904018444), (74, 3534719402), (134, 1952009222), (148, 1767359701), (268, 976004611), (2479, 105514012), (4489, 58268932), (4958, 52757006), (8978, 29134466), (9916, 26378503), (17956, 14567233), (166093, 1574836), (332186, 787418), (393709, 664372)]