278309382

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{115099}}^1$

素因数の和:115148

約数の個数: 32

約数和(自身を含む): 618777600

約数和(自身を除く): 340468218

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 115099, 230198, 345297, 690594, 1496287, 2992574, 3568069, 4488861, 7136138, 8977722, 10704207, 21408414, 46384897, 92769794, 139154691, 278309382]

約数ペア:

[(1, 278309382), (2, 139154691), (3, 92769794), (6, 46384897), (13, 21408414), (26, 10704207), (31, 8977722), (39, 7136138), (62, 4488861), (78, 3568069), (93, 2992574), (186, 1496287), (403, 690594), (806, 345297), (1209, 230198), (2418, 115099)]