3998978828

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{76903439}}^1$

素因数の和:76903456

約数の個数: 12

約数和(自身を含む): 7536537120

約数和(自身を除く): 3537558292

約数列:

[1, 2, 4, 13, 26, 52, 76903439, 153806878, 307613756, 999744707, 1999489414, 3998978828]

約数ペア:

[(1, 3998978828), (2, 1999489414), (4, 999744707), (13, 307613756), (26, 153806878), (52, 76903439)]