16722872

素因数分解:

$2^3\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{281}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 32384880

約数和(自身を除く): 15662008

約数列:

[1, 2, 4, 8, 43, 86, 172, 173, 281, 344, 346, 562, 692, 1124, 1384, 2248, 7439, 12083, 14878, 24166, 29756, 48332, 48613, 59512, 96664, 97226, 194452, 388904, 2090359, 4180718, 8361436, 16722872]

約数ペア:

[(1, 16722872), (2, 8361436), (4, 4180718), (8, 2090359), (43, 388904), (86, 194452), (172, 97226), (173, 96664), (281, 59512), (344, 48613), (346, 48332), (562, 29756), (692, 24166), (1124, 14878), (1384, 12083), (2248, 7439)]