25549398

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{257}}^1\times {\mathrm{263}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 65387520

約数和(自身を除く): 39838122

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 257, 263, 378, 514, 526, 771, 789, 1542, 1578, 1799, 1841, 2313, 2367, 3598, 3682, 4626, 4734, 5397, 5523, 6939, 7101, 10794, 11046, 13878, 14202, 16191, 16569, 32382, 33138, 48573, 49707, 67591, 97146, 99414, 135182, 202773, 405546, 473137, 608319, 946274, 1216638, 1419411, 1824957, 2838822, 3649914, 4258233, 8516466, 12774699, 25549398]

約数ペア:

[(1, 25549398), (2, 12774699), (3, 8516466), (6, 4258233), (7, 3649914), (9, 2838822), (14, 1824957), (18, 1419411), (21, 1216638), (27, 946274), (42, 608319), (54, 473137), (63, 405546), (126, 202773), (189, 135182), (257, 99414), (263, 97146), (378, 67591), (514, 49707), (526, 48573), (771, 33138), (789, 32382), (1542, 16569), (1578, 16191), (1799, 14202), (1841, 13878), (2313, 11046), (2367, 10794), (3598, 7101), (3682, 6939), (4626, 5523), (4734, 5397)]