25487735

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1$

素因数の和:208

約数の個数: 48

約数和(自身を含む): 39352320

約数和(自身を除く): 13864585

約数列:

[1, 5, 7, 13, 31, 35, 65, 91, 139, 155, 169, 217, 403, 455, 695, 845, 973, 1085, 1183, 1807, 2015, 2821, 4309, 4865, 5239, 5915, 9035, 12649, 14105, 21545, 23491, 26195, 30163, 36673, 56017, 63245, 117455, 150815, 164437, 183365, 280085, 392119, 728221, 822185, 1960595, 3641105, 5097547, 25487735]

約数ペア:

[(1, 25487735), (5, 5097547), (7, 3641105), (13, 1960595), (31, 822185), (35, 728221), (65, 392119), (91, 280085), (139, 183365), (155, 164437), (169, 150815), (217, 117455), (403, 63245), (455, 56017), (695, 36673), (845, 30163), (973, 26195), (1085, 23491), (1183, 21545), (1807, 14105), (2015, 12649), (2821, 9035), (4309, 5915), (4865, 5239)]