128154768

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{381413}}^1$

素因数の和:381431

約数の個数: 40

約数和(自身を含む): 378362688

約数和(自身を除く): 250207920

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 42, 48, 56, 84, 112, 168, 336, 381413, 762826, 1144239, 1525652, 2288478, 2669891, 3051304, 4576956, 5339782, 6102608, 8009673, 9153912, 10679564, 16019346, 18307824, 21359128, 32038692, 42718256, 64077384, 128154768]

約数ペア:

[(1, 128154768), (2, 64077384), (3, 42718256), (4, 32038692), (6, 21359128), (7, 18307824), (8, 16019346), (12, 10679564), (14, 9153912), (16, 8009673), (21, 6102608), (24, 5339782), (28, 4576956), (42, 3051304), (48, 2669891), (56, 2288478), (84, 1525652), (112, 1144239), (168, 762826), (336, 381413)]