207402008

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{113}}^1\times {\mathrm{20857}}^1$

素因数の和:20987

約数の個数: 32

約数和(自身を含む): 428006160

約数和(自身を除く): 220604152

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 113, 226, 452, 904, 1243, 2486, 4972, 9944, 20857, 41714, 83428, 166856, 229427, 458854, 917708, 1835416, 2356841, 4713682, 9427364, 18854728, 25925251, 51850502, 103701004, 207402008]

約数ペア:

[(1, 207402008), (2, 103701004), (4, 51850502), (8, 25925251), (11, 18854728), (22, 9427364), (44, 4713682), (88, 2356841), (113, 1835416), (226, 917708), (452, 458854), (904, 229427), (1243, 166856), (2486, 83428), (4972, 41714), (9944, 20857)]