199401584

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{336827}}^1$

素因数の和:336872

約数の個数: 20

約数和(自身を含む): 396783384

約数和(自身を除く): 197381800

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 336827, 673654, 1347308, 2694616, 5389232, 12462599, 24925198, 49850396, 99700792, 199401584]

約数ペア:

[(1, 199401584), (2, 99700792), (4, 49850396), (8, 24925198), (16, 12462599), (37, 5389232), (74, 2694616), (148, 1347308), (296, 673654), (592, 336827)]