646889568

素因数分解:

$2^5\times 3^1\times {\mathrm{13}}^1\times {\mathrm{518341}}^1$

素因数の和:518367

約数の個数: 48

約数和(自身を含む): 1828710576

約数和(自身を除く): 1181821008

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 32, 39, 48, 52, 78, 96, 104, 156, 208, 312, 416, 624, 1248, 518341, 1036682, 1555023, 2073364, 3110046, 4146728, 6220092, 6738433, 8293456, 12440184, 13476866, 16586912, 20215299, 24880368, 26953732, 40430598, 49760736, 53907464, 80861196, 107814928, 161722392, 215629856, 323444784, 646889568]

約数ペア:

[(1, 646889568), (2, 323444784), (3, 215629856), (4, 161722392), (6, 107814928), (8, 80861196), (12, 53907464), (13, 49760736), (16, 40430598), (24, 26953732), (26, 24880368), (32, 20215299), (39, 16586912), (48, 13476866), (52, 12440184), (78, 8293456), (96, 6738433), (104, 6220092), (156, 4146728), (208, 3110046), (312, 2073364), (416, 1555023), (624, 1036682), (1248, 518341)]