78305318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{13879}}^1$

素因数の和:13932

約数の個数: 32

約数和(自身を含む): 149237760

約数和(自身を除く): 70932442

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 13879, 27758, 97153, 180427, 194306, 360854, 430249, 860498, 1262989, 2525978, 3011743, 5593237, 6023486, 11186474, 39152659, 78305318]

約数ペア:

[(1, 78305318), (2, 39152659), (7, 11186474), (13, 6023486), (14, 5593237), (26, 3011743), (31, 2525978), (62, 1262989), (91, 860498), (182, 430249), (217, 360854), (403, 194306), (434, 180427), (806, 97153), (2821, 27758), (5642, 13879)]