1644009712

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{139}}^1\times {\mathrm{17191}}^1$

素因数の和:17381

約数の個数: 40

約数和(自身を含む): 3282984320

約数和(自身を除く): 1638974608

約数列:

[1, 2, 4, 8, 16, 43, 86, 139, 172, 278, 344, 556, 688, 1112, 2224, 5977, 11954, 17191, 23908, 34382, 47816, 68764, 95632, 137528, 275056, 739213, 1478426, 2389549, 2956852, 4779098, 5913704, 9558196, 11827408, 19116392, 38232784, 102750607, 205501214, 411002428, 822004856, 1644009712]

約数ペア:

[(1, 1644009712), (2, 822004856), (4, 411002428), (8, 205501214), (16, 102750607), (43, 38232784), (86, 19116392), (139, 11827408), (172, 9558196), (278, 5913704), (344, 4779098), (556, 2956852), (688, 2389549), (1112, 1478426), (2224, 739213), (5977, 275056), (11954, 137528), (17191, 95632), (23908, 68764), (34382, 47816)]