2640245377

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{349}}^1\times {\mathrm{5171}}^1$

素因数の和:5557

約数の個数: 32

約数和(自身を含む): 3475584000

約数和(自身を除く): 835338623

約数列:

[1, 7, 11, 19, 77, 133, 209, 349, 1463, 2443, 3839, 5171, 6631, 26873, 36197, 46417, 56881, 72941, 98249, 398167, 510587, 687743, 1080739, 1804679, 7565173, 12632753, 19851469, 34288901, 138960283, 240022307, 377177911, 2640245377]

約数ペア:

[(1, 2640245377), (7, 377177911), (11, 240022307), (19, 138960283), (77, 34288901), (133, 19851469), (209, 12632753), (349, 7565173), (1463, 1804679), (2443, 1080739), (3839, 687743), (5171, 510587), (6631, 398167), (26873, 98249), (36197, 72941), (46417, 56881)]