51280112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{246539}}^1$

素因数の和:246560

約数の個数: 20

約数和(自身を含む): 106998360

約数和(自身を除く): 55718248

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 246539, 493078, 986156, 1972312, 3205007, 3944624, 6410014, 12820028, 25640056, 51280112]

約数ペア:

[(1, 51280112), (2, 25640056), (4, 12820028), (8, 6410014), (13, 3944624), (16, 3205007), (26, 1972312), (52, 986156), (104, 493078), (208, 246539)]