278314114

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{197}}^1\times {\mathrm{811}}^1$

素因数の和:1090

約数の個数: 32

約数和(自身を含む): 459176256

約数和(自身を除く): 180862142

約数列:

[1, 2, 13, 26, 67, 134, 197, 394, 811, 871, 1622, 1742, 2561, 5122, 10543, 13199, 21086, 26398, 54337, 108674, 159767, 171587, 319534, 343174, 706381, 1412762, 2076971, 4153942, 10704389, 21408778, 139157057, 278314114]

約数ペア:

[(1, 278314114), (2, 139157057), (13, 21408778), (26, 10704389), (67, 4153942), (134, 2076971), (197, 1412762), (394, 706381), (811, 343174), (871, 319534), (1622, 171587), (1742, 159767), (2561, 108674), (5122, 54337), (10543, 26398), (13199, 21086)]