78990904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{3967}}^1$

素因数の和:4123

約数の個数: 32

約数和(自身を含む): 157132800

約数和(自身を除く): 78141896

約数列:

[1, 2, 4, 8, 19, 38, 76, 131, 152, 262, 524, 1048, 2489, 3967, 4978, 7934, 9956, 15868, 19912, 31736, 75373, 150746, 301492, 519677, 602984, 1039354, 2078708, 4157416, 9873863, 19747726, 39495452, 78990904]

約数ペア:

[(1, 78990904), (2, 39495452), (4, 19747726), (8, 9873863), (19, 4157416), (38, 2078708), (76, 1039354), (131, 602984), (152, 519677), (262, 301492), (524, 150746), (1048, 75373), (2489, 31736), (3967, 19912), (4978, 15868), (7934, 9956)]