28145488

素因数分解:

$2^4\times 7^1\times {\mathrm{79}}^1\times {\mathrm{3181}}^1$

素因数の和:3275

約数の個数: 40

約数和(自身を含む): 63130880

約数和(自身を除く): 34985392

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 79, 112, 158, 316, 553, 632, 1106, 1264, 2212, 3181, 4424, 6362, 8848, 12724, 22267, 25448, 44534, 50896, 89068, 178136, 251299, 356272, 502598, 1005196, 1759093, 2010392, 3518186, 4020784, 7036372, 14072744, 28145488]

約数ペア:

[(1, 28145488), (2, 14072744), (4, 7036372), (7, 4020784), (8, 3518186), (14, 2010392), (16, 1759093), (28, 1005196), (56, 502598), (79, 356272), (112, 251299), (158, 178136), (316, 89068), (553, 50896), (632, 44534), (1106, 25448), (1264, 22267), (2212, 12724), (3181, 8848), (4424, 6362)]