31665808

素因数分解:

$2^4\times {\mathrm{67}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:455

約数の個数: 40

約数和(自身を含む): 63071360

約数和(自身を除く): 31405552

約数列:

[1, 2, 4, 8, 16, 67, 109, 134, 218, 268, 271, 436, 536, 542, 872, 1072, 1084, 1744, 2168, 4336, 7303, 14606, 18157, 29212, 29539, 36314, 58424, 59078, 72628, 116848, 118156, 145256, 236312, 290512, 472624, 1979113, 3958226, 7916452, 15832904, 31665808]

約数ペア:

[(1, 31665808), (2, 15832904), (4, 7916452), (8, 3958226), (16, 1979113), (67, 472624), (109, 290512), (134, 236312), (218, 145256), (268, 118156), (271, 116848), (436, 72628), (536, 59078), (542, 58424), (872, 36314), (1072, 29539), (1084, 29212), (1744, 18157), (2168, 14606), (4336, 7303)]