291245916

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1866961}}^1$

素因数の和:1866981

約数の個数: 24

約数和(自身を含む): 731849104

約数和(自身を除く): 440603188

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 1866961, 3733922, 5600883, 7467844, 11201766, 22403532, 24270493, 48540986, 72811479, 97081972, 145622958, 291245916]

約数ペア:

[(1, 291245916), (2, 145622958), (3, 97081972), (4, 72811479), (6, 48540986), (12, 24270493), (13, 22403532), (26, 11201766), (39, 7467844), (52, 5600883), (78, 3733922), (156, 1866961)]