432899428

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{389}}^1\times {\mathrm{21401}}^1$

素因数の和:21807

約数の個数: 24

約数和(自身を含む): 817984440

約数和(自身を除く): 385085012

約数列:

[1, 2, 4, 13, 26, 52, 389, 778, 1556, 5057, 10114, 20228, 21401, 42802, 85604, 278213, 556426, 1112852, 8324989, 16649978, 33299956, 108224857, 216449714, 432899428]

約数ペア:

[(1, 432899428), (2, 216449714), (4, 108224857), (13, 33299956), (26, 16649978), (52, 8324989), (389, 1112852), (778, 556426), (1556, 278213), (5057, 85604), (10114, 42802), (20228, 21401)]