87878525

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{271}}^1$

素因数の和:414

約数の個数: 48

約数和(自身を含む): 133562880

約数和(自身を除く): 45684355

約数列:

[1, 5, 7, 17, 25, 35, 85, 109, 119, 175, 271, 425, 545, 595, 763, 1355, 1853, 1897, 2725, 2975, 3815, 4607, 6775, 9265, 9485, 12971, 19075, 23035, 29539, 32249, 46325, 47425, 64855, 115175, 147695, 161245, 206773, 324275, 502163, 738475, 806225, 1033865, 2510815, 3515141, 5169325, 12554075, 17575705, 87878525]

約数ペア:

[(1, 87878525), (5, 17575705), (7, 12554075), (17, 5169325), (25, 3515141), (35, 2510815), (85, 1033865), (109, 806225), (119, 738475), (175, 502163), (271, 324275), (425, 206773), (545, 161245), (595, 147695), (763, 115175), (1355, 64855), (1853, 47425), (1897, 46325), (2725, 32249), (2975, 29539), (3815, 23035), (4607, 19075), (6775, 12971), (9265, 9485)]