278888834

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{4093}}^1$

素因数の和:4290

約数の個数: 32

約数和(自身を含む): 496782336

約数和(自身を除く): 217893502

約数列:

[1, 2, 7, 14, 31, 62, 157, 217, 314, 434, 1099, 2198, 4093, 4867, 8186, 9734, 28651, 34069, 57302, 68138, 126883, 253766, 642601, 888181, 1285202, 1776362, 4498207, 8996414, 19920631, 39841262, 139444417, 278888834]

約数ペア:

[(1, 278888834), (2, 139444417), (7, 39841262), (14, 19920631), (31, 8996414), (62, 4498207), (157, 1776362), (217, 1285202), (314, 888181), (434, 642601), (1099, 253766), (2198, 126883), (4093, 68138), (4867, 57302), (8186, 34069), (9734, 28651)]