17984309

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{179}}^1\times {\mathrm{463}}^1$

素因数の和:680

約数の個数: 16

約数和(自身を含む): 21381120

約数和(自身を除く): 3396811

約数列:

[1, 7, 31, 179, 217, 463, 1253, 3241, 5549, 14353, 38843, 82877, 100471, 580139, 2569187, 17984309]

約数ペア:

[(1, 17984309), (7, 2569187), (31, 580139), (179, 100471), (217, 82877), (463, 38843), (1253, 14353), (3241, 5549)]