13650980

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{281}}^1\times {\mathrm{347}}^1$

素因数の和:644

約数の個数: 48

約数和(自身を含む): 32973696

約数和(自身を除く): 19322716

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 281, 347, 562, 694, 1124, 1388, 1405, 1735, 1967, 2429, 2810, 3470, 3934, 4858, 5620, 6940, 7868, 9716, 9835, 12145, 19670, 24290, 39340, 48580, 97507, 195014, 390028, 487535, 682549, 975070, 1365098, 1950140, 2730196, 3412745, 6825490, 13650980]

約数ペア:

[(1, 13650980), (2, 6825490), (4, 3412745), (5, 2730196), (7, 1950140), (10, 1365098), (14, 975070), (20, 682549), (28, 487535), (35, 390028), (70, 195014), (140, 97507), (281, 48580), (347, 39340), (562, 24290), (694, 19670), (1124, 12145), (1388, 9835), (1405, 9716), (1735, 7868), (1967, 6940), (2429, 5620), (2810, 4858), (3470, 3934)]