27772805809

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{283}}^1\times {\mathrm{379}}^1\times {\mathrm{521}}^1$

素因数の和:1261

約数の個数: 32

約数和(自身を含む): 32448522240

約数和(自身を除く): 4675716431

約数列:

[1, 7, 71, 283, 379, 497, 521, 1981, 2653, 3647, 20093, 26909, 36991, 107257, 140651, 147443, 188363, 197459, 258937, 750799, 1032101, 1382213, 7615247, 10468453, 14019589, 53306729, 55880897, 73279171, 98137123, 391166279, 3967543687, 27772805809]

約数ペア:

[(1, 27772805809), (7, 3967543687), (71, 391166279), (283, 98137123), (379, 73279171), (497, 55880897), (521, 53306729), (1981, 14019589), (2653, 10468453), (3647, 7615247), (20093, 1382213), (26909, 1032101), (36991, 750799), (107257, 258937), (140651, 197459), (147443, 188363)]