261263106

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{65677}}^1$

素因数の和:65715

約数の個数: 48

約数和(自身を含む): 645483384

約数和(自身を除く): 384220278

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 65677, 131354, 197031, 394062, 591093, 853801, 1116509, 1182186, 1707602, 2233018, 2561403, 3349527, 5122806, 6699054, 7684209, 10048581, 14514617, 15368418, 20097162, 29029234, 43543851, 87087702, 130631553, 261263106]

約数ペア:

[(1, 261263106), (2, 130631553), (3, 87087702), (6, 43543851), (9, 29029234), (13, 20097162), (17, 15368418), (18, 14514617), (26, 10048581), (34, 7684209), (39, 6699054), (51, 5122806), (78, 3349527), (102, 2561403), (117, 2233018), (153, 1707602), (221, 1182186), (234, 1116509), (306, 853801), (442, 591093), (663, 394062), (1326, 197031), (1989, 131354), (3978, 65677)]