161977232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{326567}}^1$

素因数の和:326606

約数の個数: 20

約数和(自身を含む): 323955456

約数和(自身を除く): 161978224

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 326567, 653134, 1306268, 2612536, 5225072, 10123577, 20247154, 40494308, 80988616, 161977232]

約数ペア:

[(1, 161977232), (2, 80988616), (4, 40494308), (8, 20247154), (16, 10123577), (31, 5225072), (62, 2612536), (124, 1306268), (248, 653134), (496, 326567)]