27861988

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{12923}}^1$

素因数の和:12952

約数の個数: 36

約数和(自身を含む): 61880112

約数和(自身を除く): 34018124

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 1078, 2156, 12923, 25846, 51692, 90461, 142153, 180922, 284306, 361844, 568612, 633227, 995071, 1266454, 1990142, 2532908, 3980284, 6965497, 13930994, 27861988]

約数ペア:

[(1, 27861988), (2, 13930994), (4, 6965497), (7, 3980284), (11, 2532908), (14, 1990142), (22, 1266454), (28, 995071), (44, 633227), (49, 568612), (77, 361844), (98, 284306), (154, 180922), (196, 142153), (308, 90461), (539, 51692), (1078, 25846), (2156, 12923)]