25297468

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^2\times {\mathrm{409}}^1$

素因数の和:514

約数の個数: 36

約数和(自身を含む): 51820720

約数和(自身を除く): 26523252

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 329, 409, 658, 818, 1316, 1636, 2209, 2863, 4418, 5726, 8836, 11452, 15463, 19223, 30926, 38446, 61852, 76892, 134561, 269122, 538244, 903481, 1806962, 3613924, 6324367, 12648734, 25297468]

約数ペア:

[(1, 25297468), (2, 12648734), (4, 6324367), (7, 3613924), (14, 1806962), (28, 903481), (47, 538244), (94, 269122), (188, 134561), (329, 76892), (409, 61852), (658, 38446), (818, 30926), (1316, 19223), (1636, 15463), (2209, 11452), (2863, 8836), (4418, 5726)]