81464404

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{739}}^1$

素因数の和:908

約数の個数: 48

約数和(自身を含む): 169738240

約数和(自身を除く): 88273836

約数列:

[1, 2, 4, 7, 14, 28, 31, 62, 124, 127, 217, 254, 434, 508, 739, 868, 889, 1478, 1778, 2956, 3556, 3937, 5173, 7874, 10346, 15748, 20692, 22909, 27559, 45818, 55118, 91636, 93853, 110236, 160363, 187706, 320726, 375412, 641452, 656971, 1313942, 2627884, 2909443, 5818886, 11637772, 20366101, 40732202, 81464404]

約数ペア:

[(1, 81464404), (2, 40732202), (4, 20366101), (7, 11637772), (14, 5818886), (28, 2909443), (31, 2627884), (62, 1313942), (124, 656971), (127, 641452), (217, 375412), (254, 320726), (434, 187706), (508, 160363), (739, 110236), (868, 93853), (889, 91636), (1478, 55118), (1778, 45818), (2956, 27559), (3556, 22909), (3937, 20692), (5173, 15748), (7874, 10346)]