205120198906

素因数分解:

$2^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{2612131}}^1$

素因数の和:2612290

約数の個数: 32

約数和(自身を含む): 361101127680

約数和(自身を除く): 155980928774

約数列:

[1, 2, 7, 14, 71, 79, 142, 158, 497, 553, 994, 1106, 5609, 11218, 39263, 78526, 2612131, 5224262, 18284917, 36569834, 185461301, 206358349, 370922602, 412716698, 1298229107, 1444508443, 2596458214, 2889016886, 14651442779, 29302885558, 102560099453, 205120198906]

約数ペア:

[(1, 205120198906), (2, 102560099453), (7, 29302885558), (14, 14651442779), (71, 2889016886), (79, 2596458214), (142, 1444508443), (158, 1298229107), (497, 412716698), (553, 370922602), (994, 206358349), (1106, 185461301), (5609, 36569834), (11218, 18284917), (39263, 5224262), (78526, 2612131)]