27878942

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{277}}^1$

素因数の和:385

約数の個数: 48

約数和(自身を含む): 53242560

約数和(自身を除く): 25363618

約数列:

[1, 2, 7, 13, 14, 26, 49, 79, 91, 98, 158, 182, 277, 553, 554, 637, 1027, 1106, 1274, 1939, 2054, 3601, 3871, 3878, 7189, 7202, 7742, 13573, 14378, 21883, 25207, 27146, 43766, 50323, 50414, 100646, 153181, 176449, 284479, 306362, 352898, 568958, 1072267, 1991353, 2144534, 3982706, 13939471, 27878942]

約数ペア:

[(1, 27878942), (2, 13939471), (7, 3982706), (13, 2144534), (14, 1991353), (26, 1072267), (49, 568958), (79, 352898), (91, 306362), (98, 284479), (158, 176449), (182, 153181), (277, 100646), (553, 50414), (554, 50323), (637, 43766), (1027, 27146), (1106, 25207), (1274, 21883), (1939, 14378), (2054, 13573), (3601, 7742), (3871, 7202), (3878, 7189)]