25234785

素因数分解:

$3^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{317}}^1$

素因数の和:418

約数の個数: 48

約数和(自身を含む): 46135440

約数和(自身を除く): 20900655

約数列:

[1, 3, 5, 9, 15, 29, 45, 61, 87, 145, 183, 261, 305, 317, 435, 549, 915, 951, 1305, 1585, 1769, 2745, 2853, 4755, 5307, 8845, 9193, 14265, 15921, 19337, 26535, 27579, 45965, 58011, 79605, 82737, 96685, 137895, 174033, 290055, 413685, 560773, 870165, 1682319, 2803865, 5046957, 8411595, 25234785]

約数ペア:

[(1, 25234785), (3, 8411595), (5, 5046957), (9, 2803865), (15, 1682319), (29, 870165), (45, 560773), (61, 413685), (87, 290055), (145, 174033), (183, 137895), (261, 96685), (305, 82737), (317, 79605), (435, 58011), (549, 45965), (915, 27579), (951, 26535), (1305, 19337), (1585, 15921), (1769, 14265), (2745, 9193), (2853, 8845), (4755, 5307)]