2049970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^2\times {\mathrm{1213}}^1$

素因数の和:1246

約数の個数: 24

約数和(自身を含む): 3998916

約数和(自身を除く): 1948946

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1213, 1690, 2426, 6065, 12130, 15769, 31538, 78845, 157690, 204997, 409994, 1024985, 2049970]

約数ペア:

[(1, 2049970), (2, 1024985), (5, 409994), (10, 204997), (13, 157690), (26, 78845), (65, 31538), (130, 15769), (169, 12130), (338, 6065), (845, 2426), (1213, 1690)]