28240256

素因数分解:

$2^7\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{647}}^1$

素因数の和:703

約数の個数: 64

約数和(自身を含む): 63452160

約数和(自身を除く): 35211904

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 32, 44, 62, 64, 88, 124, 128, 176, 248, 341, 352, 496, 647, 682, 704, 992, 1294, 1364, 1408, 1984, 2588, 2728, 3968, 5176, 5456, 7117, 10352, 10912, 14234, 20057, 20704, 21824, 28468, 40114, 41408, 43648, 56936, 80228, 82816, 113872, 160456, 220627, 227744, 320912, 441254, 455488, 641824, 882508, 910976, 1283648, 1765016, 2567296, 3530032, 7060064, 14120128, 28240256]

約数ペア:

[(1, 28240256), (2, 14120128), (4, 7060064), (8, 3530032), (11, 2567296), (16, 1765016), (22, 1283648), (31, 910976), (32, 882508), (44, 641824), (62, 455488), (64, 441254), (88, 320912), (124, 227744), (128, 220627), (176, 160456), (248, 113872), (341, 82816), (352, 80228), (496, 56936), (647, 43648), (682, 41408), (704, 40114), (992, 28468), (1294, 21824), (1364, 20704), (1408, 20057), (1984, 14234), (2588, 10912), (2728, 10352), (3968, 7117), (5176, 5456)]