4381990

素因数分解:

$2^1\times 5^1\times {\mathrm{311}}^1\times {\mathrm{1409}}^1$

素因数の和:1727

約数の個数: 16

約数和(自身を含む): 7918560

約数和(自身を除く): 3536570

約数列:

[1, 2, 5, 10, 311, 622, 1409, 1555, 2818, 3110, 7045, 14090, 438199, 876398, 2190995, 4381990]

約数ペア:

[(1, 4381990), (2, 2190995), (5, 876398), (10, 438199), (311, 14090), (622, 7045), (1409, 3110), (1555, 2818)]