1261117874

素因数分解:

$2^1\times {\mathrm{127}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{251}}^1$

素因数の和:662

約数の個数: 32

約数和(自身を含む): 1941553152

約数和(自身を除く): 680435278

約数列:

[1, 2, 127, 131, 151, 251, 254, 262, 302, 502, 16637, 19177, 19781, 31877, 32881, 33274, 37901, 38354, 39562, 63754, 65762, 75802, 2512187, 4175887, 4813427, 4965031, 5024374, 8351774, 9626854, 9930062, 630558937, 1261117874]

約数ペア:

[(1, 1261117874), (2, 630558937), (127, 9930062), (131, 9626854), (151, 8351774), (251, 5024374), (254, 4965031), (262, 4813427), (302, 4175887), (502, 2512187), (16637, 75802), (19177, 65762), (19781, 63754), (31877, 39562), (32881, 38354), (33274, 37901)]