199389776

素因数分解:

$2^4\times {\mathrm{109}}^1\times {\mathrm{114329}}^1$

素因数の和:114446

約数の個数: 20

約数和(自身を含む): 389865300

約数和(自身を除く): 190475524

約数列:

[1, 2, 4, 8, 16, 109, 218, 436, 872, 1744, 114329, 228658, 457316, 914632, 1829264, 12461861, 24923722, 49847444, 99694888, 199389776]

約数ペア:

[(1, 199389776), (2, 99694888), (4, 49847444), (8, 24923722), (16, 12461861), (109, 1829264), (218, 914632), (436, 457316), (872, 228658), (1744, 114329)]