7998925

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1$

素因数の和:126

約数の個数: 48

約数和(自身を含む): 12052800

約数和(自身を除く): 4053875

約数列:

[1, 5, 11, 17, 25, 29, 55, 59, 85, 145, 187, 275, 295, 319, 425, 493, 649, 725, 935, 1003, 1475, 1595, 1711, 2465, 3245, 4675, 5015, 5423, 7975, 8555, 11033, 12325, 16225, 18821, 25075, 27115, 29087, 42775, 55165, 94105, 135575, 145435, 275825, 319957, 470525, 727175, 1599785, 7998925]

約数ペア:

[(1, 7998925), (5, 1599785), (11, 727175), (17, 470525), (25, 319957), (29, 275825), (55, 145435), (59, 135575), (85, 94105), (145, 55165), (187, 42775), (275, 29087), (295, 27115), (319, 25075), (425, 18821), (493, 16225), (649, 12325), (725, 11033), (935, 8555), (1003, 7975), (1475, 5423), (1595, 5015), (1711, 4675), (2465, 3245)]