31378256

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{937}}^1$

素因数の和:988

約数の個数: 80

約数和(自身を含む): 78161664

約数和(自身を除く): 46783408

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 23, 26, 28, 46, 52, 56, 91, 92, 104, 112, 161, 182, 184, 208, 299, 322, 364, 368, 598, 644, 728, 937, 1196, 1288, 1456, 1874, 2093, 2392, 2576, 3748, 4186, 4784, 6559, 7496, 8372, 12181, 13118, 14992, 16744, 21551, 24362, 26236, 33488, 43102, 48724, 52472, 85267, 86204, 97448, 104944, 150857, 170534, 172408, 194896, 280163, 301714, 341068, 344816, 560326, 603428, 682136, 1120652, 1206856, 1364272, 1961141, 2241304, 2413712, 3922282, 4482608, 7844564, 15689128, 31378256]

約数ペア:

[(1, 31378256), (2, 15689128), (4, 7844564), (7, 4482608), (8, 3922282), (13, 2413712), (14, 2241304), (16, 1961141), (23, 1364272), (26, 1206856), (28, 1120652), (46, 682136), (52, 603428), (56, 560326), (91, 344816), (92, 341068), (104, 301714), (112, 280163), (161, 194896), (182, 172408), (184, 170534), (208, 150857), (299, 104944), (322, 97448), (364, 86204), (368, 85267), (598, 52472), (644, 48724), (728, 43102), (937, 33488), (1196, 26236), (1288, 24362), (1456, 21551), (1874, 16744), (2093, 14992), (2392, 13118), (2576, 12181), (3748, 8372), (4186, 7496), (4784, 6559)]