81446816

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5381}}^1$

素因数の和:5445

約数の個数: 48

約数和(自身を含む): 179026848

約数和(自身を除く): 97580032

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 43, 44, 86, 88, 172, 176, 344, 352, 473, 688, 946, 1376, 1892, 3784, 5381, 7568, 10762, 15136, 21524, 43048, 59191, 86096, 118382, 172192, 231383, 236764, 462766, 473528, 925532, 947056, 1851064, 1894112, 2545213, 3702128, 5090426, 7404256, 10180852, 20361704, 40723408, 81446816]

約数ペア:

[(1, 81446816), (2, 40723408), (4, 20361704), (8, 10180852), (11, 7404256), (16, 5090426), (22, 3702128), (32, 2545213), (43, 1894112), (44, 1851064), (86, 947056), (88, 925532), (172, 473528), (176, 462766), (344, 236764), (352, 231383), (473, 172192), (688, 118382), (946, 86096), (1376, 59191), (1892, 43048), (3784, 21524), (5381, 15136), (7568, 10762)]