28305666

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{457}}^1$

素因数の和:536

約数の個数: 64

約数和(自身を含む): 66831360

約数和(自身を除く): 38525694

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 37, 54, 62, 74, 93, 111, 186, 222, 279, 333, 457, 558, 666, 837, 914, 999, 1147, 1371, 1674, 1998, 2294, 2742, 3441, 4113, 6882, 8226, 10323, 12339, 14167, 16909, 20646, 24678, 28334, 30969, 33818, 42501, 50727, 61938, 85002, 101454, 127503, 152181, 255006, 304362, 382509, 456543, 524179, 765018, 913086, 1048358, 1572537, 3145074, 4717611, 9435222, 14152833, 28305666]

約数ペア:

[(1, 28305666), (2, 14152833), (3, 9435222), (6, 4717611), (9, 3145074), (18, 1572537), (27, 1048358), (31, 913086), (37, 765018), (54, 524179), (62, 456543), (74, 382509), (93, 304362), (111, 255006), (186, 152181), (222, 127503), (279, 101454), (333, 85002), (457, 61938), (558, 50727), (666, 42501), (837, 33818), (914, 30969), (999, 28334), (1147, 24678), (1371, 20646), (1674, 16909), (1998, 14167), (2294, 12339), (2742, 10323), (3441, 8226), (4113, 6882)]