28309688

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{197}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 61585920

約数和(自身を除く): 33276232

約数列:

[1, 2, 4, 8, 11, 22, 23, 44, 46, 71, 88, 92, 142, 184, 197, 253, 284, 394, 506, 568, 781, 788, 1012, 1562, 1576, 1633, 2024, 2167, 3124, 3266, 4334, 4531, 6248, 6532, 8668, 9062, 13064, 13987, 17336, 17963, 18124, 27974, 35926, 36248, 49841, 55948, 71852, 99682, 111896, 143704, 153857, 199364, 307714, 321701, 398728, 615428, 643402, 1230856, 1286804, 2573608, 3538711, 7077422, 14154844, 28309688]

約数ペア:

[(1, 28309688), (2, 14154844), (4, 7077422), (8, 3538711), (11, 2573608), (22, 1286804), (23, 1230856), (44, 643402), (46, 615428), (71, 398728), (88, 321701), (92, 307714), (142, 199364), (184, 153857), (197, 143704), (253, 111896), (284, 99682), (394, 71852), (506, 55948), (568, 49841), (781, 36248), (788, 35926), (1012, 27974), (1562, 18124), (1576, 17963), (1633, 17336), (2024, 13987), (2167, 13064), (3124, 9062), (3266, 8668), (4334, 6532), (4531, 6248)]