67642490

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{397897}}^1$

素因数の和:397921

約数の個数: 16

約数和(自身を含む): 128918952

約数和(自身を除く): 61276462

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 397897, 795794, 1989485, 3978970, 6764249, 13528498, 33821245, 67642490]

約数ペア:

[(1, 67642490), (2, 33821245), (5, 13528498), (10, 6764249), (17, 3978970), (34, 1989485), (85, 795794), (170, 397897)]