61271728

素因数分解:

$2^4\times 7^1\times {\mathrm{197}}^1\times {\mathrm{2777}}^1$

素因数の和:2989

約数の個数: 40

約数和(自身を含む): 136410912

約数和(自身を除く): 75139184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 197, 394, 788, 1379, 1576, 2758, 2777, 3152, 5516, 5554, 11032, 11108, 19439, 22064, 22216, 38878, 44432, 77756, 155512, 311024, 547069, 1094138, 2188276, 3829483, 4376552, 7658966, 8753104, 15317932, 30635864, 61271728]

約数ペア:

[(1, 61271728), (2, 30635864), (4, 15317932), (7, 8753104), (8, 7658966), (14, 4376552), (16, 3829483), (28, 2188276), (56, 1094138), (112, 547069), (197, 311024), (394, 155512), (788, 77756), (1379, 44432), (1576, 38878), (2758, 22216), (2777, 22064), (3152, 19439), (5516, 11108), (5554, 11032)]