31512988

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{173}}^1$

素因数の和:334

約数の個数: 48

約数和(自身を含む): 62205696

約数和(自身を除く): 30692708

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 113, 124, 173, 226, 346, 403, 452, 692, 806, 1469, 1612, 2249, 2938, 3503, 4498, 5363, 5876, 7006, 8996, 10726, 14012, 19549, 21452, 39098, 45539, 69719, 78196, 91078, 139438, 182156, 254137, 278876, 508274, 606019, 1016548, 1212038, 2424076, 7878247, 15756494, 31512988]

約数ペア:

[(1, 31512988), (2, 15756494), (4, 7878247), (13, 2424076), (26, 1212038), (31, 1016548), (52, 606019), (62, 508274), (113, 278876), (124, 254137), (173, 182156), (226, 139438), (346, 91078), (403, 78196), (452, 69719), (692, 45539), (806, 39098), (1469, 21452), (1612, 19549), (2249, 14012), (2938, 10726), (3503, 8996), (4498, 7006), (5363, 5876)]