1557182018

素因数分解:

$2^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{257}}^1\times {\mathrm{607}}^1$

素因数の和:927

約数の個数: 64

約数和(自身を含む): 2891317248

約数和(自身を除く): 1334135230

約数列:

[1, 2, 7, 14, 23, 31, 46, 62, 161, 217, 257, 322, 434, 514, 607, 713, 1214, 1426, 1799, 3598, 4249, 4991, 5911, 7967, 8498, 9982, 11822, 13961, 15934, 18817, 27922, 37634, 41377, 55769, 82754, 97727, 111538, 131719, 155999, 183241, 195454, 263438, 311998, 366482, 432791, 865582, 1091993, 1282687, 2183986, 2565374, 3029537, 3587977, 4835969, 6059074, 7175954, 9671938, 25115839, 33851783, 50231678, 67703566, 111227287, 222454574, 778591009, 1557182018]

約数ペア:

[(1, 1557182018), (2, 778591009), (7, 222454574), (14, 111227287), (23, 67703566), (31, 50231678), (46, 33851783), (62, 25115839), (161, 9671938), (217, 7175954), (257, 6059074), (322, 4835969), (434, 3587977), (514, 3029537), (607, 2565374), (713, 2183986), (1214, 1282687), (1426, 1091993), (1799, 865582), (3598, 432791), (4249, 366482), (4991, 311998), (5911, 263438), (7967, 195454), (8498, 183241), (9982, 155999), (11822, 131719), (13961, 111538), (15934, 97727), (18817, 82754), (27922, 55769), (37634, 41377)]