778899212

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{419}}^1\times {\mathrm{5107}}^1$

素因数の和:5550

約数の個数: 48

約数和(自身を含む): 1681962240

約数和(自身を除く): 903063028

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 419, 838, 1676, 2933, 5107, 5447, 5866, 10214, 10894, 11732, 20428, 21788, 35749, 38129, 66391, 71498, 76258, 132782, 142996, 152516, 265564, 464737, 929474, 1858948, 2139833, 4279666, 8559332, 14978831, 27817829, 29957662, 55635658, 59915324, 111271316, 194724803, 389449606, 778899212]

約数ペア:

[(1, 778899212), (2, 389449606), (4, 194724803), (7, 111271316), (13, 59915324), (14, 55635658), (26, 29957662), (28, 27817829), (52, 14978831), (91, 8559332), (182, 4279666), (364, 2139833), (419, 1858948), (838, 929474), (1676, 464737), (2933, 265564), (5107, 152516), (5447, 142996), (5866, 132782), (10214, 76258), (10894, 71498), (11732, 66391), (20428, 38129), (21788, 35749)]