278408091

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{6653}}^1$

素因数の和:6735

約数の個数: 32

約数和(自身を含む): 424791360

約数和(自身を除く): 146383269

約数列:

[1, 3, 13, 29, 37, 39, 87, 111, 377, 481, 1073, 1131, 1443, 3219, 6653, 13949, 19959, 41847, 86489, 192937, 246161, 259467, 578811, 738483, 2508181, 3200093, 7138669, 7524543, 9600279, 21416007, 92802697, 278408091]

約数ペア:

[(1, 278408091), (3, 92802697), (13, 21416007), (29, 9600279), (37, 7524543), (39, 7138669), (87, 3200093), (111, 2508181), (377, 738483), (481, 578811), (1073, 259467), (1131, 246161), (1443, 192937), (3219, 86489), (6653, 41847), (13949, 19959)]