28005087208

素因数分解:

$2^3\times 7^2\times {\mathrm{71}}^1\times {\mathrm{1006219}}^1$

素因数の和:1006310

約数の個数: 48

約数和(自身を含む): 61942903200

約数和(自身を除く): 33937815992

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 71, 98, 142, 196, 284, 392, 497, 568, 994, 1988, 3479, 3976, 6958, 13916, 27832, 1006219, 2012438, 4024876, 7043533, 8049752, 14087066, 28174132, 49304731, 56348264, 71441549, 98609462, 142883098, 197218924, 285766196, 394437848, 500090843, 571532392, 1000181686, 2000363372, 3500635901, 4000726744, 7001271802, 14002543604, 28005087208]

約数ペア:

[(1, 28005087208), (2, 14002543604), (4, 7001271802), (7, 4000726744), (8, 3500635901), (14, 2000363372), (28, 1000181686), (49, 571532392), (56, 500090843), (71, 394437848), (98, 285766196), (142, 197218924), (196, 142883098), (284, 98609462), (392, 71441549), (497, 56348264), (568, 49304731), (994, 28174132), (1988, 14087066), (3479, 8049752), (3976, 7043533), (6958, 4024876), (13916, 2012438), (27832, 1006219)]