257943196

素因数分解:

$2^2\times 7^1\times {\mathrm{1171}}^1\times {\mathrm{7867}}^1$

素因数の和:9049

約数の個数: 24

約数和(自身を含む): 516392576

約数和(自身を除く): 258449380

約数列:

[1, 2, 4, 7, 14, 28, 1171, 2342, 4684, 7867, 8197, 15734, 16394, 31468, 32788, 55069, 110138, 220276, 9212257, 18424514, 36849028, 64485799, 128971598, 257943196]

約数ペア:

[(1, 257943196), (2, 128971598), (4, 64485799), (7, 36849028), (14, 18424514), (28, 9212257), (1171, 220276), (2342, 110138), (4684, 55069), (7867, 32788), (8197, 31468), (15734, 16394)]