205440352

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{1399}}^1$

素因数の和:1775

約数の個数: 48

約数和(自身を含む): 437119200

約数和(自身を除く): 231678848

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 353, 416, 706, 1399, 1412, 2798, 2824, 4589, 5596, 5648, 9178, 11192, 11296, 18187, 18356, 22384, 36374, 36712, 44768, 72748, 73424, 145496, 146848, 290992, 493847, 581984, 987694, 1975388, 3950776, 6420011, 7901552, 12840022, 15803104, 25680044, 51360088, 102720176, 205440352]

約数ペア:

[(1, 205440352), (2, 102720176), (4, 51360088), (8, 25680044), (13, 15803104), (16, 12840022), (26, 7901552), (32, 6420011), (52, 3950776), (104, 1975388), (208, 987694), (353, 581984), (416, 493847), (706, 290992), (1399, 146848), (1412, 145496), (2798, 73424), (2824, 72748), (4589, 44768), (5596, 36712), (5648, 36374), (9178, 22384), (11192, 18356), (11296, 18187)]