129126128

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{424757}}^1$

素因数の和:424784

約数の個数: 20

約数和(自身を含む): 263349960

約数和(自身を除く): 134223832

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 424757, 849514, 1699028, 3398056, 6796112, 8070383, 16140766, 32281532, 64563064, 129126128]

約数ペア:

[(1, 129126128), (2, 64563064), (4, 32281532), (8, 16140766), (16, 8070383), (19, 6796112), (38, 3398056), (76, 1699028), (152, 849514), (304, 424757)]