201780950972

素因数分解:

$2^2\times {\mathrm{199}}^1\times {\mathrm{253493657}}^1$

素因数の和:253493860

約数の個数: 12

約数和(自身を含む): 354891121200

約数和(自身を除く): 153110170228

約数列:

[1, 2, 4, 199, 398, 796, 253493657, 506987314, 1013974628, 50445237743, 100890475486, 201780950972]

約数ペア:

[(1, 201780950972), (2, 100890475486), (4, 50445237743), (199, 1013974628), (398, 506987314), (796, 253493657)]