155451352

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{17681}}^1$

素因数の和:17851

約数の個数: 32

約数和(自身を含む): 335250720

約数和(自身を除く): 179799368

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 2198, 4396, 8792, 17681, 35362, 70724, 123767, 141448, 247534, 495068, 990136, 2775917, 5551834, 11103668, 19431419, 22207336, 38862838, 77725676, 155451352]

約数ペア:

[(1, 155451352), (2, 77725676), (4, 38862838), (7, 22207336), (8, 19431419), (14, 11103668), (28, 5551834), (56, 2775917), (157, 990136), (314, 495068), (628, 247534), (1099, 141448), (1256, 123767), (2198, 70724), (4396, 35362), (8792, 17681)]