81773216

素因数分解:

$2^5\times 7^1\times {\mathrm{79}}^1\times {\mathrm{4621}}^1$

素因数の和:4717

約数の個数: 48

約数和(自身を含む): 186359040

約数和(自身を除く): 104585824

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 79, 112, 158, 224, 316, 553, 632, 1106, 1264, 2212, 2528, 4424, 4621, 8848, 9242, 17696, 18484, 32347, 36968, 64694, 73936, 129388, 147872, 258776, 365059, 517552, 730118, 1035104, 1460236, 2555413, 2920472, 5110826, 5840944, 10221652, 11681888, 20443304, 40886608, 81773216]

約数ペア:

[(1, 81773216), (2, 40886608), (4, 20443304), (7, 11681888), (8, 10221652), (14, 5840944), (16, 5110826), (28, 2920472), (32, 2555413), (56, 1460236), (79, 1035104), (112, 730118), (158, 517552), (224, 365059), (316, 258776), (553, 147872), (632, 129388), (1106, 73936), (1264, 64694), (2212, 36968), (2528, 32347), (4424, 18484), (4621, 17696), (8848, 9242)]