51913264

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{249583}}^1$

素因数の和:249604

約数の個数: 20

約数和(自身を含む): 108319456

約数和(自身を除く): 56406192

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 249583, 499166, 998332, 1996664, 3244579, 3993328, 6489158, 12978316, 25956632, 51913264]

約数ペア:

[(1, 51913264), (2, 25956632), (4, 12978316), (8, 6489158), (13, 3993328), (16, 3244579), (26, 1996664), (52, 998332), (104, 499166), (208, 249583)]