77921584

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{19717}}^1$

素因数の和:19757

約数の個数: 40

約数和(自身を含む): 171152240

約数和(自身を除く): 93230656

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 19717, 39434, 78868, 157736, 256321, 315472, 374623, 512642, 749246, 1025284, 1498492, 2050568, 2996984, 4101136, 4870099, 5993968, 9740198, 19480396, 38960792, 77921584]

約数ペア:

[(1, 77921584), (2, 38960792), (4, 19480396), (8, 9740198), (13, 5993968), (16, 4870099), (19, 4101136), (26, 2996984), (38, 2050568), (52, 1498492), (76, 1025284), (104, 749246), (152, 512642), (208, 374623), (247, 315472), (304, 256321), (494, 157736), (988, 78868), (1976, 39434), (3952, 19717)]