71189456

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{342257}}^1$

素因数の和:342278

約数の個数: 20

約数和(自身を含む): 148539972

約数和(自身を除く): 77350516

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 342257, 684514, 1369028, 2738056, 4449341, 5476112, 8898682, 17797364, 35594728, 71189456]

約数ペア:

[(1, 71189456), (2, 35594728), (4, 17797364), (8, 8898682), (13, 5476112), (16, 4449341), (26, 2738056), (52, 1369028), (104, 684514), (208, 342257)]