80849972

素因数分解:

$2^2\times 7^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{607}}^1$

素因数の和:756

約数の個数: 48

約数和(自身を含む): 166699008

約数和(自身を除く): 85849036

約数列:

[1, 2, 4, 7, 14, 28, 67, 71, 134, 142, 268, 284, 469, 497, 607, 938, 994, 1214, 1876, 1988, 2428, 4249, 4757, 8498, 9514, 16996, 19028, 33299, 40669, 43097, 66598, 81338, 86194, 133196, 162676, 172388, 284683, 301679, 569366, 603358, 1138732, 1206716, 2887499, 5774998, 11549996, 20212493, 40424986, 80849972]

約数ペア:

[(1, 80849972), (2, 40424986), (4, 20212493), (7, 11549996), (14, 5774998), (28, 2887499), (67, 1206716), (71, 1138732), (134, 603358), (142, 569366), (268, 301679), (284, 284683), (469, 172388), (497, 162676), (607, 133196), (938, 86194), (994, 81338), (1214, 66598), (1876, 43097), (1988, 40669), (2428, 33299), (4249, 19028), (4757, 16996), (8498, 9514)]