1291361990

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{7596247}}^1$

素因数の和:7596271

約数の個数: 16

約数和(自身を含む): 2461184352

約数和(自身を除く): 1169822362

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 7596247, 15192494, 37981235, 75962470, 129136199, 258272398, 645680995, 1291361990]

約数ペア:

[(1, 1291361990), (2, 645680995), (5, 258272398), (10, 129136199), (17, 75962470), (34, 37981235), (85, 15192494), (170, 7596247)]