1985778844

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{661}}^1\times {\mathrm{5647}}^1$

素因数の和:6338

約数の個数: 48

約数和(自身を含む): 4187653120

約数和(自身を除く): 2201874276

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 661, 1322, 2644, 4627, 5647, 9254, 11294, 12559, 18508, 22588, 25118, 39529, 50236, 79058, 87913, 107293, 158116, 175826, 214586, 351652, 429172, 751051, 1502102, 3004204, 3732667, 7465334, 14930668, 26128669, 52257338, 70920673, 104514676, 141841346, 283682692, 496444711, 992889422, 1985778844]

約数ペア:

[(1, 1985778844), (2, 992889422), (4, 496444711), (7, 283682692), (14, 141841346), (19, 104514676), (28, 70920673), (38, 52257338), (76, 26128669), (133, 14930668), (266, 7465334), (532, 3732667), (661, 3004204), (1322, 1502102), (2644, 751051), (4627, 429172), (5647, 351652), (9254, 214586), (11294, 175826), (12559, 158116), (18508, 107293), (22588, 87913), (25118, 79058), (39529, 50236)]