26047905

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^2\times {\mathrm{139}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 46710720

約数和(自身を除く): 20662815

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 139, 155, 195, 403, 417, 465, 695, 961, 1209, 1807, 2015, 2085, 2883, 4309, 4805, 5421, 6045, 9035, 12493, 12927, 14415, 21545, 27105, 37479, 56017, 62465, 64635, 133579, 168051, 187395, 280085, 400737, 667895, 840255, 1736527, 2003685, 5209581, 8682635, 26047905]

約数ペア:

[(1, 26047905), (3, 8682635), (5, 5209581), (13, 2003685), (15, 1736527), (31, 840255), (39, 667895), (65, 400737), (93, 280085), (139, 187395), (155, 168051), (195, 133579), (403, 64635), (417, 62465), (465, 56017), (695, 37479), (961, 27105), (1209, 21545), (1807, 14415), (2015, 12927), (2085, 12493), (2883, 9035), (4309, 6045), (4805, 5421)]