2640709636

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{181}}^1\times {\mathrm{271}}^1\times {\mathrm{313}}^1$

素因数の和:812

約数の個数: 48

約数和(自身を含む): 4787630848

約数和(自身を除く): 2146921212

約数列:

[1, 2, 4, 43, 86, 172, 181, 271, 313, 362, 542, 626, 724, 1084, 1252, 7783, 11653, 13459, 15566, 23306, 26918, 31132, 46612, 49051, 53836, 56653, 84823, 98102, 113306, 169646, 196204, 226612, 339292, 2109193, 2436079, 3647389, 4218386, 4872158, 7294778, 8436772, 9744316, 14589556, 15352963, 30705926, 61411852, 660177409, 1320354818, 2640709636]

約数ペア:

[(1, 2640709636), (2, 1320354818), (4, 660177409), (43, 61411852), (86, 30705926), (172, 15352963), (181, 14589556), (271, 9744316), (313, 8436772), (362, 7294778), (542, 4872158), (626, 4218386), (724, 3647389), (1084, 2436079), (1252, 2109193), (7783, 339292), (11653, 226612), (13459, 196204), (15566, 169646), (23306, 113306), (26918, 98102), (31132, 84823), (46612, 56653), (49051, 53836)]