219925048

素因数分解:

$2^3\times 7^1\times {\mathrm{43}}^1\times {\mathrm{91331}}^1$

素因数の和:91387

約数の個数: 32

約数和(自身を含む): 482232960

約数和(自身を除く): 262307912

約数列:

[1, 2, 4, 7, 8, 14, 28, 43, 56, 86, 172, 301, 344, 602, 1204, 2408, 91331, 182662, 365324, 639317, 730648, 1278634, 2557268, 3927233, 5114536, 7854466, 15708932, 27490631, 31417864, 54981262, 109962524, 219925048]

約数ペア:

[(1, 219925048), (2, 109962524), (4, 54981262), (7, 31417864), (8, 27490631), (14, 15708932), (28, 7854466), (43, 5114536), (56, 3927233), (86, 2557268), (172, 1278634), (301, 730648), (344, 639317), (602, 365324), (1204, 182662), (2408, 91331)]