199124368

素因数分解:

$2^4\times {\mathrm{2207}}^1\times {\mathrm{5639}}^1$

素因数の和:7854

約数の個数: 20

約数和(自身を含む): 386046720

約数和(自身を除く): 186922352

約数列:

[1, 2, 4, 8, 16, 2207, 4414, 5639, 8828, 11278, 17656, 22556, 35312, 45112, 90224, 12445273, 24890546, 49781092, 99562184, 199124368]

約数ペア:

[(1, 199124368), (2, 99562184), (4, 49781092), (8, 24890546), (16, 12445273), (2207, 90224), (4414, 45112), (5639, 35312), (8828, 22556), (11278, 17656)]