257805424

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{519769}}^1$

素因数の和:519808

約数の個数: 20

約数和(自身を含む): 515611840

約数和(自身を除く): 257806416

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 519769, 1039538, 2079076, 4158152, 8316304, 16112839, 32225678, 64451356, 128902712, 257805424]

約数ペア:

[(1, 257805424), (2, 128902712), (4, 64451356), (8, 32225678), (16, 16112839), (31, 8316304), (62, 4158152), (124, 2079076), (248, 1039538), (496, 519769)]