664888

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{383}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 1474560

約数和(自身を除く): 809672

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 217, 248, 383, 434, 766, 868, 1532, 1736, 2681, 3064, 5362, 10724, 11873, 21448, 23746, 47492, 83111, 94984, 166222, 332444, 664888]

約数ペア:

[(1, 664888), (2, 332444), (4, 166222), (7, 94984), (8, 83111), (14, 47492), (28, 23746), (31, 21448), (56, 11873), (62, 10724), (124, 5362), (217, 3064), (248, 2681), (383, 1736), (434, 1532), (766, 868)]