407876144

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1960943}}^1$

素因数の和:1960964

約数の個数: 20

約数和(自身を含む): 851049696

約数和(自身を除く): 443173552

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1960943, 3921886, 7843772, 15687544, 25492259, 31375088, 50984518, 101969036, 203938072, 407876144]

約数ペア:

[(1, 407876144), (2, 203938072), (4, 101969036), (8, 50984518), (13, 31375088), (16, 25492259), (26, 15687544), (52, 7843772), (104, 3921886), (208, 1960943)]