78865892

素因数分解:

$2^2\times 7^2\times {\mathrm{211}}^1\times {\mathrm{1907}}^1$

素因数の和:2136

約数の個数: 36

約数和(自身を含む): 161393904

約数和(自身を除く): 82528012

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 211, 422, 844, 1477, 1907, 2954, 3814, 5908, 7628, 10339, 13349, 20678, 26698, 41356, 53396, 93443, 186886, 373772, 402377, 804754, 1609508, 2816639, 5633278, 11266556, 19716473, 39432946, 78865892]

約数ペア:

[(1, 78865892), (2, 39432946), (4, 19716473), (7, 11266556), (14, 5633278), (28, 2816639), (49, 1609508), (98, 804754), (196, 402377), (211, 373772), (422, 186886), (844, 93443), (1477, 53396), (1907, 41356), (2954, 26698), (3814, 20678), (5908, 13349), (7628, 10339)]