319209232

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{643567}}^1$

素因数の和:643606

約数の個数: 20

約数和(自身を含む): 638419456

約数和(自身を除く): 319210224

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 643567, 1287134, 2574268, 5148536, 10297072, 19950577, 39901154, 79802308, 159604616, 319209232]

約数ペア:

[(1, 319209232), (2, 159604616), (4, 79802308), (8, 39901154), (16, 19950577), (31, 10297072), (62, 5148536), (124, 2574268), (248, 1287134), (496, 643567)]