51391648

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{20857}}^1$

素因数の和:20885

約数の個数: 48

約数和(自身を含む): 126149184

約数和(自身を除く): 74757536

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 77, 88, 112, 154, 176, 224, 308, 352, 616, 1232, 2464, 20857, 41714, 83428, 145999, 166856, 229427, 291998, 333712, 458854, 583996, 667424, 917708, 1167992, 1605989, 1835416, 2335984, 3211978, 3670832, 4671968, 6423956, 7341664, 12847912, 25695824, 51391648]

約数ペア:

[(1, 51391648), (2, 25695824), (4, 12847912), (7, 7341664), (8, 6423956), (11, 4671968), (14, 3670832), (16, 3211978), (22, 2335984), (28, 1835416), (32, 1605989), (44, 1167992), (56, 917708), (77, 667424), (88, 583996), (112, 458854), (154, 333712), (176, 291998), (224, 229427), (308, 166856), (352, 145999), (616, 83428), (1232, 41714), (2464, 20857)]