208888912

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{421147}}^1$

素因数の和:421186

約数の個数: 20

約数和(自身を含む): 417778816

約数和(自身を除く): 208889904

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 421147, 842294, 1684588, 3369176, 6738352, 13055557, 26111114, 52222228, 104444456, 208888912]

約数ペア:

[(1, 208888912), (2, 104444456), (4, 52222228), (8, 26111114), (16, 13055557), (31, 6738352), (62, 3369176), (124, 1684588), (248, 842294), (496, 421147)]