261436284

素因数分解:

$2^2\times 3^2\times {\mathrm{479}}^1\times {\mathrm{15161}}^1$

素因数の和:15650

約数の個数: 36

約数和(自身を含む): 662276160

約数和(自身を除く): 400839876

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 479, 958, 1437, 1916, 2874, 4311, 5748, 8622, 15161, 17244, 30322, 45483, 60644, 90966, 136449, 181932, 272898, 545796, 7262119, 14524238, 21786357, 29048476, 43572714, 65359071, 87145428, 130718142, 261436284]

約数ペア:

[(1, 261436284), (2, 130718142), (3, 87145428), (4, 65359071), (6, 43572714), (9, 29048476), (12, 21786357), (18, 14524238), (36, 7262119), (479, 545796), (958, 272898), (1437, 181932), (1916, 136449), (2874, 90966), (4311, 60644), (5748, 45483), (8622, 30322), (15161, 17244)]