2918778821

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{270583}}^1$

素因数の和:270680

約数の個数: 16

約数和(自身を含む): 3532744704

約数和(自身を除く): 613965883

約数列:

[1, 7, 23, 67, 161, 469, 1541, 10787, 270583, 1894081, 6223409, 18129061, 43563863, 126903427, 416968403, 2918778821]

約数ペア:

[(1, 2918778821), (7, 416968403), (23, 126903427), (67, 43563863), (161, 18129061), (469, 6223409), (1541, 1894081), (10787, 270583)]