840858675839

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1733}}^1\times {\mathrm{280627}}^1$

素因数の和:282399

約数の個数: 32

約数和(自身を含む): 1090004052480

約数和(自身を除く): 249145376641

約数列:

[1, 7, 13, 19, 91, 133, 247, 1729, 1733, 12131, 22529, 32927, 157703, 230489, 280627, 428051, 1964389, 2996357, 3648151, 5331913, 25537057, 37323391, 69314869, 485204083, 486326591, 3404286137, 6322245683, 9240205229, 44255719781, 64681436603, 120122667977, 840858675839]

約数ペア:

[(1, 840858675839), (7, 120122667977), (13, 64681436603), (19, 44255719781), (91, 9240205229), (133, 6322245683), (247, 3404286137), (1729, 486326591), (1733, 485204083), (12131, 69314869), (22529, 37323391), (32927, 25537057), (157703, 5331913), (230489, 3648151), (280627, 2996357), (428051, 1964389)]