81211752

素因数分解:

$2^3\times 3^2\times {\mathrm{863}}^1\times {\mathrm{1307}}^1$

素因数の和:2182

約数の個数: 48

約数和(自身を含む): 220371840

約数和(自身を除く): 139160088

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 863, 1307, 1726, 2589, 2614, 3452, 3921, 5178, 5228, 6904, 7767, 7842, 10356, 10456, 11763, 15534, 15684, 20712, 23526, 31068, 31368, 47052, 62136, 94104, 1127941, 2255882, 3383823, 4511764, 6767646, 9023528, 10151469, 13535292, 20302938, 27070584, 40605876, 81211752]

約数ペア:

[(1, 81211752), (2, 40605876), (3, 27070584), (4, 20302938), (6, 13535292), (8, 10151469), (9, 9023528), (12, 6767646), (18, 4511764), (24, 3383823), (36, 2255882), (72, 1127941), (863, 94104), (1307, 62136), (1726, 47052), (2589, 31368), (2614, 31068), (3452, 23526), (3921, 20712), (5178, 15684), (5228, 15534), (6904, 11763), (7767, 10456), (7842, 10356)]