209983090

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{63439}}^1$

素因数の和:63777

約数の個数: 16

約数和(自身を含む): 379117440

約数和(自身を除く): 169134350

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 63439, 126878, 317195, 634390, 20998309, 41996618, 104991545, 209983090]

約数ペア:

[(1, 209983090), (2, 104991545), (5, 41996618), (10, 20998309), (331, 634390), (662, 317195), (1655, 126878), (3310, 63439)]