15678971152

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{3967351}}^1$

素因数の和:3967391

約数の個数: 40

約数和(自身を含む): 34436615360

約数和(自身を除く): 18757644208

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 152, 208, 247, 304, 494, 988, 1976, 3952, 3967351, 7934702, 15869404, 31738808, 51575563, 63477616, 75379669, 103151126, 150759338, 206302252, 301518676, 412604504, 603037352, 825209008, 979935697, 1206074704, 1959871394, 3919742788, 7839485576, 15678971152]

約数ペア:

[(1, 15678971152), (2, 7839485576), (4, 3919742788), (8, 1959871394), (13, 1206074704), (16, 979935697), (19, 825209008), (26, 603037352), (38, 412604504), (52, 301518676), (76, 206302252), (104, 150759338), (152, 103151126), (208, 75379669), (247, 63477616), (304, 51575563), (494, 31738808), (988, 15869404), (1976, 7934702), (3952, 3967351)]