26977223

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:255

約数の個数: 32

約数和(自身を含む): 35008512

約数和(自身を除く): 8031289

約数列:

[1, 7, 13, 31, 73, 91, 131, 217, 403, 511, 917, 949, 1703, 2263, 2821, 4061, 6643, 9563, 11921, 15841, 28427, 29419, 52793, 66941, 124319, 205933, 296453, 369551, 870233, 2075171, 3853889, 26977223]

約数ペア:

[(1, 26977223), (7, 3853889), (13, 2075171), (31, 870233), (73, 369551), (91, 296453), (131, 205933), (217, 124319), (403, 66941), (511, 52793), (917, 29419), (949, 28427), (1703, 15841), (2263, 11921), (2821, 9563), (4061, 6643)]