321218256

素因数分解:

$2^4\times 3^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8191}}^1$

素因数の和:8264

約数の個数: 80

約数和(自身を含む): 893911040

約数和(自身を除く): 572692784

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 19, 24, 38, 43, 48, 57, 76, 86, 114, 129, 152, 172, 228, 258, 304, 344, 456, 516, 688, 817, 912, 1032, 1634, 2064, 2451, 3268, 4902, 6536, 8191, 9804, 13072, 16382, 19608, 24573, 32764, 39216, 49146, 65528, 98292, 131056, 155629, 196584, 311258, 352213, 393168, 466887, 622516, 704426, 933774, 1056639, 1245032, 1408852, 1867548, 2113278, 2490064, 2817704, 3735096, 4226556, 5635408, 6692047, 7470192, 8453112, 13384094, 16906224, 20076141, 26768188, 40152282, 53536376, 80304564, 107072752, 160609128, 321218256]

約数ペア:

[(1, 321218256), (2, 160609128), (3, 107072752), (4, 80304564), (6, 53536376), (8, 40152282), (12, 26768188), (16, 20076141), (19, 16906224), (24, 13384094), (38, 8453112), (43, 7470192), (48, 6692047), (57, 5635408), (76, 4226556), (86, 3735096), (114, 2817704), (129, 2490064), (152, 2113278), (172, 1867548), (228, 1408852), (258, 1245032), (304, 1056639), (344, 933774), (456, 704426), (516, 622516), (688, 466887), (817, 393168), (912, 352213), (1032, 311258), (1634, 196584), (2064, 155629), (2451, 131056), (3268, 98292), (4902, 65528), (6536, 49146), (8191, 39216), (9804, 32764), (13072, 24573), (16382, 19608)]