91565990

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{398113}}^1$

素因数の和:398143

約数の個数: 16

約数和(自身を含む): 171985248

約数和(自身を除く): 80419258

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 398113, 796226, 1990565, 3981130, 9156599, 18313198, 45782995, 91565990]

約数ペア:

[(1, 91565990), (2, 45782995), (5, 18313198), (10, 9156599), (23, 3981130), (46, 1990565), (115, 796226), (230, 398113)]