1999210312

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{139}}^1\times {\mathrm{1193}}^1$

素因数の和:1486

約数の個数: 64

約数和(自身を含む): 4152254400

約数和(自身を除く): 2153044088

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 139, 274, 278, 548, 556, 1096, 1112, 1193, 1507, 1529, 2386, 3014, 3058, 4772, 6028, 6116, 9544, 12056, 12232, 13123, 19043, 26246, 38086, 52492, 76172, 104984, 152344, 163441, 165827, 209473, 326882, 331654, 418946, 653764, 663308, 837892, 1307528, 1326616, 1675784, 1797851, 1824097, 3595702, 3648194, 7191404, 7296388, 14382808, 14592776, 22718299, 45436598, 90873196, 181746392, 249901289, 499802578, 999605156, 1999210312]

約数ペア:

[(1, 1999210312), (2, 999605156), (4, 499802578), (8, 249901289), (11, 181746392), (22, 90873196), (44, 45436598), (88, 22718299), (137, 14592776), (139, 14382808), (274, 7296388), (278, 7191404), (548, 3648194), (556, 3595702), (1096, 1824097), (1112, 1797851), (1193, 1675784), (1507, 1326616), (1529, 1307528), (2386, 837892), (3014, 663308), (3058, 653764), (4772, 418946), (6028, 331654), (6116, 326882), (9544, 209473), (12056, 165827), (12232, 163441), (13123, 152344), (19043, 104984), (26246, 76172), (38086, 52492)]