256077825

素因数分解:

$3^1\times 5^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{1327}}^1$

素因数の和:1454

約数の個数: 48

約数和(自身を含む): 442638336

約数和(自身を除く): 186560511

約数列:

[1, 3, 5, 15, 25, 31, 75, 83, 93, 155, 249, 415, 465, 775, 1245, 1327, 2075, 2325, 2573, 3981, 6225, 6635, 7719, 12865, 19905, 33175, 38595, 41137, 64325, 99525, 110141, 123411, 192975, 205685, 330423, 550705, 617055, 1028425, 1652115, 2753525, 3085275, 3414371, 8260575, 10243113, 17071855, 51215565, 85359275, 256077825]

約数ペア:

[(1, 256077825), (3, 85359275), (5, 51215565), (15, 17071855), (25, 10243113), (31, 8260575), (75, 3414371), (83, 3085275), (93, 2753525), (155, 1652115), (249, 1028425), (415, 617055), (465, 550705), (775, 330423), (1245, 205685), (1327, 192975), (2075, 123411), (2325, 110141), (2573, 99525), (3981, 64325), (6225, 41137), (6635, 38595), (7719, 33175), (12865, 19905)]