31375162

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{83}}^1$

素因数の和:203

約数の個数: 64

約数和(自身を含む): 61415424

約数和(自身を除く): 30040262

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 67, 83, 91, 134, 166, 182, 217, 403, 434, 469, 581, 806, 871, 938, 1079, 1162, 1742, 2077, 2158, 2573, 2821, 4154, 5146, 5561, 5642, 6097, 7553, 11122, 12194, 14539, 15106, 18011, 27001, 29078, 33449, 36022, 38927, 54002, 66898, 72293, 77854, 144586, 172391, 189007, 234143, 344782, 378014, 468286, 506051, 1012102, 1206737, 2241083, 2413474, 4482166, 15687581, 31375162]

約数ペア:

[(1, 31375162), (2, 15687581), (7, 4482166), (13, 2413474), (14, 2241083), (26, 1206737), (31, 1012102), (62, 506051), (67, 468286), (83, 378014), (91, 344782), (134, 234143), (166, 189007), (182, 172391), (217, 144586), (403, 77854), (434, 72293), (469, 66898), (581, 54002), (806, 38927), (871, 36022), (938, 33449), (1079, 29078), (1162, 27001), (1742, 18011), (2077, 15106), (2158, 14539), (2573, 12194), (2821, 11122), (4154, 7553), (5146, 6097), (5561, 5642)]