256479288

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{822049}}^1$

素因数の和:822071

約数の個数: 32

約数和(自身を含む): 690522000

約数和(自身を除く): 434042712

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 822049, 1644098, 2466147, 3288196, 4932294, 6576392, 9864588, 10686637, 19729176, 21373274, 32059911, 42746548, 64119822, 85493096, 128239644, 256479288]

約数ペア:

[(1, 256479288), (2, 128239644), (3, 85493096), (4, 64119822), (6, 42746548), (8, 32059911), (12, 21373274), (13, 19729176), (24, 10686637), (26, 9864588), (39, 6576392), (52, 4932294), (78, 3288196), (104, 2466147), (156, 1644098), (312, 822049)]