280957796

素因数分解:

$2^2\times 7^1\times {\mathrm{131}}^1\times {\mathrm{76597}}^1$

素因数の和:76739

約数の個数: 24

約数和(自身を含む): 566212416

約数和(自身を除く): 285254620

約数列:

[1, 2, 4, 7, 14, 28, 131, 262, 524, 917, 1834, 3668, 76597, 153194, 306388, 536179, 1072358, 2144716, 10034207, 20068414, 40136828, 70239449, 140478898, 280957796]

約数ペア:

[(1, 280957796), (2, 140478898), (4, 70239449), (7, 40136828), (14, 20068414), (28, 10034207), (131, 2144716), (262, 1072358), (524, 536179), (917, 306388), (1834, 153194), (3668, 76597)]