278301608

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1373}}^1\times {\mathrm{1949}}^1$

素因数の和:3341

約数の個数: 32

約数和(自身を含む): 562653000

約数和(自身を除く): 284351392

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1373, 1949, 2746, 3898, 5492, 7796, 10984, 15592, 17849, 25337, 35698, 50674, 71396, 101348, 142792, 202696, 2675977, 5351954, 10703908, 21407816, 34787701, 69575402, 139150804, 278301608]

約数ペア:

[(1, 278301608), (2, 139150804), (4, 69575402), (8, 34787701), (13, 21407816), (26, 10703908), (52, 5351954), (104, 2675977), (1373, 202696), (1949, 142792), (2746, 101348), (3898, 71396), (5492, 50674), (7796, 35698), (10984, 25337), (15592, 17849)]