198643516

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{699449}}^1$

素因数の和:699524

約数の個数: 12

約数和(自身を含む): 352522800

約数和(自身を除く): 153879284

約数列:

[1, 2, 4, 71, 142, 284, 699449, 1398898, 2797796, 49660879, 99321758, 198643516]

約数ペア:

[(1, 198643516), (2, 99321758), (4, 49660879), (71, 2797796), (142, 1398898), (284, 699449)]