131029648

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{115343}}^1$

素因数の和:115422

約数の個数: 20

約数和(自身を含む): 257447808

約数和(自身を除く): 126418160

約数列:

[1, 2, 4, 8, 16, 71, 142, 284, 568, 1136, 115343, 230686, 461372, 922744, 1845488, 8189353, 16378706, 32757412, 65514824, 131029648]

約数ペア:

[(1, 131029648), (2, 65514824), (4, 32757412), (8, 16378706), (16, 8189353), (71, 1845488), (142, 922744), (284, 461372), (568, 230686), (1136, 115343)]