285222392

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{391789}}^1$

素因数の和:391815

約数の個数: 32

約数和(自身を含む): 658207200

約数和(自身を除く): 372984808

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 391789, 783578, 1567156, 2742523, 3134312, 5093257, 5485046, 10186514, 10970092, 20373028, 21940184, 35652799, 40746056, 71305598, 142611196, 285222392]

約数ペア:

[(1, 285222392), (2, 142611196), (4, 71305598), (7, 40746056), (8, 35652799), (13, 21940184), (14, 20373028), (26, 10970092), (28, 10186514), (52, 5485046), (56, 5093257), (91, 3134312), (104, 2742523), (182, 1567156), (364, 783578), (728, 391789)]