81856208

素因数分解:

$2^4\times 7^1\times {\mathrm{503}}^1\times {\mathrm{1453}}^1$

素因数の和:1971

約数の個数: 40

約数和(自身を含む): 181738368

約数和(自身を除く): 99882160

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 503, 1006, 1453, 2012, 2906, 3521, 4024, 5812, 7042, 8048, 10171, 11624, 14084, 20342, 23248, 28168, 40684, 56336, 81368, 162736, 730859, 1461718, 2923436, 5116013, 5846872, 10232026, 11693744, 20464052, 40928104, 81856208]

約数ペア:

[(1, 81856208), (2, 40928104), (4, 20464052), (7, 11693744), (8, 10232026), (14, 5846872), (16, 5116013), (28, 2923436), (56, 1461718), (112, 730859), (503, 162736), (1006, 81368), (1453, 56336), (2012, 40684), (2906, 28168), (3521, 23248), (4024, 20342), (5812, 14084), (7042, 11624), (8048, 10171)]