2561819617

素因数分解:

$7^2\times {\mathrm{263}}^1\times {\mathrm{269}}^1\times {\mathrm{739}}^1$

素因数の和:1285

約数の個数: 24

約数和(自身を含む): 3006590400

約数和(自身を除く): 444770783

約数列:

[1, 7, 49, 263, 269, 739, 1841, 1883, 5173, 12887, 13181, 36211, 70747, 194357, 198791, 495229, 1360499, 1391537, 3466603, 9523493, 9740759, 52282033, 365974231, 2561819617]

約数ペア:

[(1, 2561819617), (7, 365974231), (49, 52282033), (263, 9740759), (269, 9523493), (739, 3466603), (1841, 1391537), (1883, 1360499), (5173, 495229), (12887, 198791), (13181, 194357), (36211, 70747)]