25219425

素因数分解:

$3^1\times 5^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{397}}^1$

素因数の和:439

約数の個数: 72

約数和(自身を含む): 52510528

約数和(自身を除く): 27291103

約数列:

[1, 3, 5, 7, 11, 15, 21, 25, 33, 35, 55, 75, 77, 105, 121, 165, 175, 231, 275, 363, 385, 397, 525, 605, 825, 847, 1155, 1191, 1815, 1925, 1985, 2541, 2779, 3025, 4235, 4367, 5775, 5955, 8337, 9075, 9925, 12705, 13101, 13895, 21175, 21835, 29775, 30569, 41685, 48037, 63525, 65505, 69475, 91707, 109175, 144111, 152845, 208425, 240185, 327525, 336259, 458535, 720555, 764225, 1008777, 1200925, 1681295, 2292675, 3602775, 5043885, 8406475, 25219425]

約数ペア:

[(1, 25219425), (3, 8406475), (5, 5043885), (7, 3602775), (11, 2292675), (15, 1681295), (21, 1200925), (25, 1008777), (33, 764225), (35, 720555), (55, 458535), (75, 336259), (77, 327525), (105, 240185), (121, 208425), (165, 152845), (175, 144111), (231, 109175), (275, 91707), (363, 69475), (385, 65505), (397, 63525), (525, 48037), (605, 41685), (825, 30569), (847, 29775), (1155, 21835), (1191, 21175), (1815, 13895), (1925, 13101), (1985, 12705), (2541, 9925), (2779, 9075), (3025, 8337), (4235, 5955), (4367, 5775)]