205176916

素因数分解:

$2^2\times 7^2\times {\mathrm{61}}^1\times {\mathrm{131}}^2$

素因数の和:341

約数の個数: 54

約数和(自身を含む): 427794234

約数和(自身を除く): 222617318

約数列:

[1, 2, 4, 7, 14, 28, 49, 61, 98, 122, 131, 196, 244, 262, 427, 524, 854, 917, 1708, 1834, 2989, 3668, 5978, 6419, 7991, 11956, 12838, 15982, 17161, 25676, 31964, 34322, 55937, 68644, 111874, 120127, 223748, 240254, 391559, 480508, 783118, 840889, 1046821, 1566236, 1681778, 2093642, 3363556, 4187284, 7327747, 14655494, 29310988, 51294229, 102588458, 205176916]

約数ペア:

[(1, 205176916), (2, 102588458), (4, 51294229), (7, 29310988), (14, 14655494), (28, 7327747), (49, 4187284), (61, 3363556), (98, 2093642), (122, 1681778), (131, 1566236), (196, 1046821), (244, 840889), (262, 783118), (427, 480508), (524, 391559), (854, 240254), (917, 223748), (1708, 120127), (1834, 111874), (2989, 68644), (3668, 55937), (5978, 34322), (6419, 31964), (7991, 25676), (11956, 17161), (12838, 15982)]