668889414

素因数分解:

$2^1\times 3^4\times {\mathrm{19}}^1\times {\mathrm{217313}}^1$

素因数の和:217346

約数の個数: 40

約数和(自身を含む): 1577699640

約数和(自身を除く): 908810226

約数列:

[1, 2, 3, 6, 9, 18, 19, 27, 38, 54, 57, 81, 114, 162, 171, 342, 513, 1026, 1539, 3078, 217313, 434626, 651939, 1303878, 1955817, 3911634, 4128947, 5867451, 8257894, 11734902, 12386841, 17602353, 24773682, 35204706, 37160523, 74321046, 111481569, 222963138, 334444707, 668889414]

約数ペア:

[(1, 668889414), (2, 334444707), (3, 222963138), (6, 111481569), (9, 74321046), (18, 37160523), (19, 35204706), (27, 24773682), (38, 17602353), (54, 12386841), (57, 11734902), (81, 8257894), (114, 5867451), (162, 4128947), (171, 3911634), (342, 1955817), (513, 1303878), (1026, 651939), (1539, 434626), (3078, 217313)]