2561118

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{211}}^1$

素因数の和:257

約数の個数: 48

約数和(自身を含む): 6248064

約数和(自身を除く): 3686946

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 102, 119, 211, 238, 289, 357, 422, 578, 633, 714, 867, 1266, 1477, 1734, 2023, 2954, 3587, 4046, 4431, 6069, 7174, 8862, 10761, 12138, 21522, 25109, 50218, 60979, 75327, 121958, 150654, 182937, 365874, 426853, 853706, 1280559, 2561118]

約数ペア:

[(1, 2561118), (2, 1280559), (3, 853706), (6, 426853), (7, 365874), (14, 182937), (17, 150654), (21, 121958), (34, 75327), (42, 60979), (51, 50218), (102, 25109), (119, 21522), (211, 12138), (238, 10761), (289, 8862), (357, 7174), (422, 6069), (578, 4431), (633, 4046), (714, 3587), (867, 2954), (1266, 2023), (1477, 1734)]