261864108

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{28751}}^1$

素因数の和:28795

約数の個数: 72

約数和(自身を含む): 753532416

約数和(自身を除く): 491668308

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 23, 33, 36, 44, 46, 66, 69, 92, 99, 132, 138, 198, 207, 253, 276, 396, 414, 506, 759, 828, 1012, 1518, 2277, 3036, 4554, 9108, 28751, 57502, 86253, 115004, 172506, 258759, 316261, 345012, 517518, 632522, 661273, 948783, 1035036, 1265044, 1322546, 1897566, 1983819, 2645092, 2846349, 3795132, 3967638, 5692698, 5951457, 7274003, 7935276, 11385396, 11902914, 14548006, 21822009, 23805828, 29096012, 43644018, 65466027, 87288036, 130932054, 261864108]

約数ペア:

[(1, 261864108), (2, 130932054), (3, 87288036), (4, 65466027), (6, 43644018), (9, 29096012), (11, 23805828), (12, 21822009), (18, 14548006), (22, 11902914), (23, 11385396), (33, 7935276), (36, 7274003), (44, 5951457), (46, 5692698), (66, 3967638), (69, 3795132), (92, 2846349), (99, 2645092), (132, 1983819), (138, 1897566), (198, 1322546), (207, 1265044), (253, 1035036), (276, 948783), (396, 661273), (414, 632522), (506, 517518), (759, 345012), (828, 316261), (1012, 258759), (1518, 172506), (2277, 115004), (3036, 86253), (4554, 57502), (9108, 28751)]