2154086942

素因数分解:

$2^1\times 7^2\times {\mathrm{23}}^2\times {\mathrm{37}}^1\times {\mathrm{1123}}^1$

素因数の和:1222

約数の個数: 72

約数和(自身を含む): 4038974856

約数和(自身を除く): 1884887914

約数列:

[1, 2, 7, 14, 23, 37, 46, 49, 74, 98, 161, 259, 322, 518, 529, 851, 1058, 1123, 1127, 1702, 1813, 2246, 2254, 3626, 3703, 5957, 7406, 7861, 11914, 15722, 19573, 25829, 25921, 39146, 41551, 41699, 51658, 51842, 55027, 83102, 83398, 110054, 137011, 180803, 274022, 290857, 361606, 581714, 594067, 955673, 959077, 1188134, 1265621, 1911346, 1918154, 2035999, 2531242, 4071998, 4158469, 6689711, 8316938, 13379422, 21980479, 29109283, 43960958, 46827977, 58218566, 93655954, 153863353, 307726706, 1077043471, 2154086942]

約数ペア:

[(1, 2154086942), (2, 1077043471), (7, 307726706), (14, 153863353), (23, 93655954), (37, 58218566), (46, 46827977), (49, 43960958), (74, 29109283), (98, 21980479), (161, 13379422), (259, 8316938), (322, 6689711), (518, 4158469), (529, 4071998), (851, 2531242), (1058, 2035999), (1123, 1918154), (1127, 1911346), (1702, 1265621), (1813, 1188134), (2246, 959077), (2254, 955673), (3626, 594067), (3703, 581714), (5957, 361606), (7406, 290857), (7861, 274022), (11914, 180803), (15722, 137011), (19573, 110054), (25829, 83398), (25921, 83102), (39146, 55027), (41551, 51842), (41699, 51658)]