2156458928

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{797507}}^1$

素因数の和:797541

約数の個数: 30

約数和(自身を含む): 4524262884

約数和(自身を除く): 2367803956

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 169, 208, 338, 676, 1352, 2704, 797507, 1595014, 3190028, 6380056, 10367591, 12760112, 20735182, 41470364, 82940728, 134778683, 165881456, 269557366, 539114732, 1078229464, 2156458928]

約数ペア:

[(1, 2156458928), (2, 1078229464), (4, 539114732), (8, 269557366), (13, 165881456), (16, 134778683), (26, 82940728), (52, 41470364), (104, 20735182), (169, 12760112), (208, 10367591), (338, 6380056), (676, 3190028), (1352, 1595014), (2704, 797507)]