127965551

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{757}}^1$

素因数の和:855

約数の個数: 32

約数和(自身を含む): 163000320

約数和(自身を除く): 35034769

約数列:

[1, 7, 19, 31, 41, 133, 217, 287, 589, 757, 779, 1271, 4123, 5299, 5453, 8897, 14383, 23467, 24149, 31037, 100681, 164269, 169043, 217259, 445873, 589703, 962147, 3121111, 4127921, 6735029, 18280793, 127965551]

約数ペア:

[(1, 127965551), (7, 18280793), (19, 6735029), (31, 4127921), (41, 3121111), (133, 962147), (217, 589703), (287, 445873), (589, 217259), (757, 169043), (779, 164269), (1271, 100681), (4123, 31037), (5299, 24149), (5453, 23467), (8897, 14383)]