1918689203968

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{433}}^1\times {\mathrm{647}}^1\times {\mathrm{863}}^1$

素因数の和:1990

約数の個数: 144

約数和(自身を含む): 3973281693696

約数和(自身を除く): 2054592489728

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 433, 496, 647, 863, 866, 992, 1294, 1726, 1732, 1984, 2588, 3452, 3464, 3968, 5176, 6904, 6928, 7936, 10352, 13423, 13808, 13856, 20057, 20704, 26753, 26846, 27616, 27712, 40114, 41408, 53506, 53692, 55232, 55424, 80228, 82816, 107012, 107384, 110464, 110848, 160456, 165632, 214024, 214768, 220928, 280151, 320912, 373679, 428048, 429536, 558361, 560302, 641824, 747358, 856096, 859072, 1116722, 1120604, 1283648, 1494716, 1712192, 1718144, 2233444, 2241208, 2567296, 2989432, 3424384, 3436288, 4466888, 4482416, 5134592, 5978864, 6848768, 8684681, 8933776, 8964832, 11584049, 11957728, 17309191, 17369362, 17867552, 17929664, 23168098, 23915456, 34618382, 34738724, 35735104, 35859328, 46336196, 47830912, 69236764, 69477448, 71470208, 71718656, 92672392, 95661824, 138473528, 138954896, 142940416, 185344784, 241770313, 276947056, 277909792, 370689568, 483540626, 553894112, 555819584, 741379136, 967081252, 1107788224, 1111639168, 1482758272, 1934162504, 2215576448, 2223278336, 2965516544, 3868325008, 4431152896, 7494879703, 7736650016, 14989759406, 15473300032, 29979518812, 30946600064, 59959037624, 61893200128, 119918075248, 239836150496, 479672300992, 959344601984, 1918689203968]

約数ペア:

[(1, 1918689203968), (2, 959344601984), (4, 479672300992), (8, 239836150496), (16, 119918075248), (31, 61893200128), (32, 59959037624), (62, 30946600064), (64, 29979518812), (124, 15473300032), (128, 14989759406), (248, 7736650016), (256, 7494879703), (433, 4431152896), (496, 3868325008), (647, 2965516544), (863, 2223278336), (866, 2215576448), (992, 1934162504), (1294, 1482758272), (1726, 1111639168), (1732, 1107788224), (1984, 967081252), (2588, 741379136), (3452, 555819584), (3464, 553894112), (3968, 483540626), (5176, 370689568), (6904, 277909792), (6928, 276947056), (7936, 241770313), (10352, 185344784), (13423, 142940416), (13808, 138954896), (13856, 138473528), (20057, 95661824), (20704, 92672392), (26753, 71718656), (26846, 71470208), (27616, 69477448), (27712, 69236764), (40114, 47830912), (41408, 46336196), (53506, 35859328), (53692, 35735104), (55232, 34738724), (55424, 34618382), (80228, 23915456), (82816, 23168098), (107012, 17929664), (107384, 17867552), (110464, 17369362), (110848, 17309191), (160456, 11957728), (165632, 11584049), (214024, 8964832), (214768, 8933776), (220928, 8684681), (280151, 6848768), (320912, 5978864), (373679, 5134592), (428048, 4482416), (429536, 4466888), (558361, 3436288), (560302, 3424384), (641824, 2989432), (747358, 2567296), (856096, 2241208), (859072, 2233444), (1116722, 1718144), (1120604, 1712192), (1283648, 1494716)]