253564129

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2687}}^1$

素因数の和:2785

約数の個数: 32

約数和(自身を含む): 335978496

約数和(自身を除く): 82414367

約数列:

[1, 7, 13, 17, 61, 91, 119, 221, 427, 793, 1037, 1547, 2687, 5551, 7259, 13481, 18809, 34931, 45679, 94367, 163907, 244517, 319753, 593827, 1147349, 2130791, 2786419, 4156789, 14915537, 19504933, 36223447, 253564129]

約数ペア:

[(1, 253564129), (7, 36223447), (13, 19504933), (17, 14915537), (61, 4156789), (91, 2786419), (119, 2130791), (221, 1147349), (427, 593827), (793, 319753), (1037, 244517), (1547, 163907), (2687, 94367), (5551, 45679), (7259, 34931), (13481, 18809)]