201869978

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{199}}^1$

素因数の和:470

約数の個数: 32

約数和(自身を含む): 317520000

約数和(自身を除く): 115650022

約数列:

[1, 2, 41, 82, 89, 139, 178, 199, 278, 398, 3649, 5699, 7298, 8159, 11398, 12371, 16318, 17711, 24742, 27661, 35422, 55322, 507211, 726151, 1014422, 1134101, 1452302, 2268202, 2461829, 4923658, 100934989, 201869978]

約数ペア:

[(1, 201869978), (2, 100934989), (41, 4923658), (82, 2461829), (89, 2268202), (139, 1452302), (178, 1134101), (199, 1014422), (278, 726151), (398, 507211), (3649, 55322), (5699, 35422), (7298, 27661), (8159, 24742), (11398, 17711), (12371, 16318)]