247409864

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{439}}^1\times {\mathrm{5419}}^1$

素因数の和:5877

約数の個数: 32

約数和(自身を含む): 500808000

約数和(自身を除く): 253398136

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 439, 878, 1756, 3512, 5419, 5707, 10838, 11414, 21676, 22828, 43352, 45656, 70447, 140894, 281788, 563576, 2378941, 4757882, 9515764, 19031528, 30926233, 61852466, 123704932, 247409864]

約数ペア:

[(1, 247409864), (2, 123704932), (4, 61852466), (8, 30926233), (13, 19031528), (26, 9515764), (52, 4757882), (104, 2378941), (439, 563576), (878, 281788), (1756, 140894), (3512, 70447), (5419, 45656), (5707, 43352), (10838, 22828), (11414, 21676)]