207754004

素因数分解:

$2^2\times {\mathrm{409}}^1\times {\mathrm{126989}}^1$

素因数の和:127402

約数の個数: 12

約数和(自身を含む): 364461300

約数和(自身を除く): 156707296

約数列:

[1, 2, 4, 409, 818, 1636, 126989, 253978, 507956, 51938501, 103877002, 207754004]

約数ペア:

[(1, 207754004), (2, 103877002), (4, 51938501), (409, 507956), (818, 253978), (1636, 126989)]