78345355

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:427

約数の個数: 32

約数和(自身を含む): 106115328

約数和(自身を除く): 27769973

約数列:

[1, 5, 11, 43, 55, 157, 211, 215, 473, 785, 1055, 1727, 2321, 2365, 6751, 8635, 9073, 11605, 33127, 33755, 45365, 74261, 99803, 165635, 364397, 371305, 499015, 1424461, 1821985, 7122305, 15669071, 78345355]

約数ペア:

[(1, 78345355), (5, 15669071), (11, 7122305), (43, 1821985), (55, 1424461), (157, 499015), (211, 371305), (215, 364397), (473, 165635), (785, 99803), (1055, 74261), (1727, 45365), (2321, 33755), (2365, 33127), (6751, 11605), (8635, 9073)]