1994175872

素因数分解:

$2^7\times {\mathrm{13}}^1\times {\mathrm{937}}^1\times {\mathrm{1279}}^1$

素因数の和:2243

約数の個数: 64

約数和(自身を含む): 4286284800

約数和(自身を除く): 2292108928

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 128, 208, 416, 832, 937, 1279, 1664, 1874, 2558, 3748, 5116, 7496, 10232, 12181, 14992, 16627, 20464, 24362, 29984, 33254, 40928, 48724, 59968, 66508, 81856, 97448, 119936, 133016, 163712, 194896, 266032, 389792, 532064, 779584, 1064128, 1198423, 1559168, 2128256, 2396846, 4793692, 9587384, 15579499, 19174768, 31158998, 38349536, 62317996, 76699072, 124635992, 153398144, 249271984, 498543968, 997087936, 1994175872]

約数ペア:

[(1, 1994175872), (2, 997087936), (4, 498543968), (8, 249271984), (13, 153398144), (16, 124635992), (26, 76699072), (32, 62317996), (52, 38349536), (64, 31158998), (104, 19174768), (128, 15579499), (208, 9587384), (416, 4793692), (832, 2396846), (937, 2128256), (1279, 1559168), (1664, 1198423), (1874, 1064128), (2558, 779584), (3748, 532064), (5116, 389792), (7496, 266032), (10232, 194896), (12181, 163712), (14992, 133016), (16627, 119936), (20464, 97448), (24362, 81856), (29984, 66508), (33254, 59968), (40928, 48724)]