287221424

素因数分解:

$2^4\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{2593}}^1$

素因数の和:2674

約数の個数: 80

約数和(自身を含む): 679337472

約数和(自身を除く): 392116048

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 43, 46, 56, 86, 92, 112, 161, 172, 184, 301, 322, 344, 368, 602, 644, 688, 989, 1204, 1288, 1978, 2408, 2576, 2593, 3956, 4816, 5186, 6923, 7912, 10372, 13846, 15824, 18151, 20744, 27692, 36302, 41488, 55384, 59639, 72604, 110768, 111499, 119278, 145208, 222998, 238556, 290416, 417473, 445996, 477112, 780493, 834946, 891992, 954224, 1560986, 1669892, 1783984, 2564477, 3121972, 3339784, 5128954, 6243944, 6679568, 10257908, 12487888, 17951339, 20515816, 35902678, 41031632, 71805356, 143610712, 287221424]

約数ペア:

[(1, 287221424), (2, 143610712), (4, 71805356), (7, 41031632), (8, 35902678), (14, 20515816), (16, 17951339), (23, 12487888), (28, 10257908), (43, 6679568), (46, 6243944), (56, 5128954), (86, 3339784), (92, 3121972), (112, 2564477), (161, 1783984), (172, 1669892), (184, 1560986), (301, 954224), (322, 891992), (344, 834946), (368, 780493), (602, 477112), (644, 445996), (688, 417473), (989, 290416), (1204, 238556), (1288, 222998), (1978, 145208), (2408, 119278), (2576, 111499), (2593, 110768), (3956, 72604), (4816, 59639), (5186, 55384), (6923, 41488), (7912, 36302), (10372, 27692), (13846, 20744), (15824, 18151)]