12811808

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{5639}}^1$

素因数の和:5720

約数の個数: 24

約数和(自身を含む): 25583040

約数和(自身を除く): 12771232

約数列:

[1, 2, 4, 8, 16, 32, 71, 142, 284, 568, 1136, 2272, 5639, 11278, 22556, 45112, 90224, 180448, 400369, 800738, 1601476, 3202952, 6405904, 12811808]

約数ペア:

[(1, 12811808), (2, 6405904), (4, 3202952), (8, 1601476), (16, 800738), (32, 400369), (71, 180448), (142, 90224), (284, 45112), (568, 22556), (1136, 11278), (2272, 5639)]