1285335218

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{1989683}}^1$

素因数の和:1989721

約数の個数: 16

約数和(自身を含む): 2148858720

約数和(自身を除く): 863523502

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 1989683, 3979366, 33824611, 37803977, 67649222, 75607954, 642667609, 1285335218]

約数ペア:

[(1, 1285335218), (2, 642667609), (17, 75607954), (19, 67649222), (34, 37803977), (38, 33824611), (323, 3979366), (646, 1989683)]