764691879

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{103}}^1\times {\mathrm{809}}^1$

素因数の和:964

約数の個数: 64

約数和(自身を含む): 1293926400

約数和(自身を除く): 529234521

約数列:

[1, 3, 7, 19, 21, 23, 57, 69, 103, 133, 161, 309, 399, 437, 483, 721, 809, 1311, 1957, 2163, 2369, 2427, 3059, 5663, 5871, 7107, 9177, 13699, 15371, 16583, 16989, 18607, 41097, 45011, 46113, 49749, 55821, 83327, 107597, 130249, 135033, 249981, 315077, 322791, 353533, 390747, 583289, 945231, 1060599, 1583213, 1749867, 1916521, 2474731, 4749639, 5749563, 7424193, 11082491, 13415647, 33247473, 36413899, 40246941, 109241697, 254897293, 764691879]

約数ペア:

[(1, 764691879), (3, 254897293), (7, 109241697), (19, 40246941), (21, 36413899), (23, 33247473), (57, 13415647), (69, 11082491), (103, 7424193), (133, 5749563), (161, 4749639), (309, 2474731), (399, 1916521), (437, 1749867), (483, 1583213), (721, 1060599), (809, 945231), (1311, 583289), (1957, 390747), (2163, 353533), (2369, 322791), (2427, 315077), (3059, 249981), (5663, 135033), (5871, 130249), (7107, 107597), (9177, 83327), (13699, 55821), (15371, 49749), (16583, 46113), (16989, 45011), (18607, 41097)]