2155126813

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{151}}^1\times {\mathrm{239}}^1\times {\mathrm{449}}^1$

素因数の和:865

約数の個数: 32

約数和(自身を含む): 2626560000

約数和(自身を除く): 471433187

約数列:

[1, 7, 19, 133, 151, 239, 449, 1057, 1673, 2869, 3143, 4541, 8531, 20083, 31787, 36089, 59717, 67799, 107311, 252623, 474593, 685691, 751177, 1288181, 2038909, 4799837, 9017267, 14272363, 16203961, 113427727, 307875259, 2155126813]

約数ペア:

[(1, 2155126813), (7, 307875259), (19, 113427727), (133, 16203961), (151, 14272363), (239, 9017267), (449, 4799837), (1057, 2038909), (1673, 1288181), (2869, 751177), (3143, 685691), (4541, 474593), (8531, 252623), (20083, 107311), (31787, 67799), (36089, 59717)]