81611635

素因数分解:

$5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{211}}^1\times {\mathrm{257}}^1$

素因数の和:523

約数の個数: 32

約数和(自身を含む): 115517952

約数和(自身を除く): 33906317

約数列:

[1, 5, 7, 35, 43, 211, 215, 257, 301, 1055, 1285, 1477, 1505, 1799, 7385, 8995, 9073, 11051, 45365, 54227, 55255, 63511, 77357, 271135, 317555, 379589, 386785, 1897945, 2331761, 11658805, 16322327, 81611635]

約数ペア:

[(1, 81611635), (5, 16322327), (7, 11658805), (35, 2331761), (43, 1897945), (211, 386785), (215, 379589), (257, 317555), (301, 271135), (1055, 77357), (1285, 63511), (1477, 55255), (1505, 54227), (1799, 45365), (7385, 11051), (8995, 9073)]