678286908

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^2\times {\mathrm{111487}}^1$

素因数の和:111523

約数の個数: 54

約数和(自身を含む): 1856609664

約数和(自身を除く): 1178322756

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 169, 234, 338, 468, 507, 676, 1014, 1521, 2028, 3042, 6084, 111487, 222974, 334461, 445948, 668922, 1003383, 1337844, 1449331, 2006766, 2898662, 4013532, 4347993, 5797324, 8695986, 13043979, 17391972, 18841303, 26087958, 37682606, 52175916, 56523909, 75365212, 113047818, 169571727, 226095636, 339143454, 678286908]

約数ペア:

[(1, 678286908), (2, 339143454), (3, 226095636), (4, 169571727), (6, 113047818), (9, 75365212), (12, 56523909), (13, 52175916), (18, 37682606), (26, 26087958), (36, 18841303), (39, 17391972), (52, 13043979), (78, 8695986), (117, 5797324), (156, 4347993), (169, 4013532), (234, 2898662), (338, 2006766), (468, 1449331), (507, 1337844), (676, 1003383), (1014, 668922), (1521, 445948), (2028, 334461), (3042, 222974), (6084, 111487)]