857555426

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{2803}}^1$

素因数の和:2907

約数の個数: 48

約数和(自身を含む): 1623314112

約数和(自身を除く): 765758686

約数列:

[1, 2, 7, 13, 14, 26, 41, 82, 91, 182, 287, 533, 574, 1066, 1681, 2803, 3362, 3731, 5606, 7462, 11767, 19621, 21853, 23534, 36439, 39242, 43706, 72878, 114923, 152971, 229846, 255073, 305942, 510146, 804461, 1493999, 1608922, 2987998, 4711843, 9423686, 10457993, 20915986, 32982901, 61253959, 65965802, 122507918, 428777713, 857555426]

約数ペア:

[(1, 857555426), (2, 428777713), (7, 122507918), (13, 65965802), (14, 61253959), (26, 32982901), (41, 20915986), (82, 10457993), (91, 9423686), (182, 4711843), (287, 2987998), (533, 1608922), (574, 1493999), (1066, 804461), (1681, 510146), (2803, 305942), (3362, 255073), (3731, 229846), (5606, 152971), (7462, 114923), (11767, 72878), (19621, 43706), (21853, 39242), (23534, 36439)]