25648974

素因数分解:

$2^1\times 3^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{641}}^1$

素因数の和:687

約数の個数: 80

約数和(自身を含む): 65252880

約数和(自身を除く): 39603906

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 27, 38, 39, 54, 57, 78, 81, 114, 117, 162, 171, 234, 247, 342, 351, 494, 513, 641, 702, 741, 1026, 1053, 1282, 1482, 1539, 1923, 2106, 2223, 3078, 3846, 4446, 5769, 6669, 8333, 11538, 12179, 13338, 16666, 17307, 20007, 24358, 24999, 34614, 36537, 40014, 49998, 51921, 73074, 74997, 103842, 109611, 149994, 158327, 219222, 224991, 316654, 328833, 449982, 474981, 657666, 674973, 949962, 986499, 1349946, 1424943, 1972998, 2849886, 4274829, 8549658, 12824487, 25648974]

約数ペア:

[(1, 25648974), (2, 12824487), (3, 8549658), (6, 4274829), (9, 2849886), (13, 1972998), (18, 1424943), (19, 1349946), (26, 986499), (27, 949962), (38, 674973), (39, 657666), (54, 474981), (57, 449982), (78, 328833), (81, 316654), (114, 224991), (117, 219222), (162, 158327), (171, 149994), (234, 109611), (247, 103842), (342, 74997), (351, 73074), (494, 51921), (513, 49998), (641, 40014), (702, 36537), (741, 34614), (1026, 24999), (1053, 24358), (1282, 20007), (1482, 17307), (1539, 16666), (1923, 13338), (2106, 12179), (2223, 11538), (3078, 8333), (3846, 6669), (4446, 5769)]