71641213

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{307}}^1$

素因数の和:421

約数の個数: 32

約数和(自身を含む): 91010304

約数和(自身を除く): 19369091

約数列:

[1, 7, 17, 37, 53, 119, 259, 307, 371, 629, 901, 1961, 2149, 4403, 5219, 6307, 11359, 13727, 16271, 33337, 36533, 79513, 113897, 193103, 233359, 276607, 602027, 1351721, 1936249, 4214189, 10234459, 71641213]

約数ペア:

[(1, 71641213), (7, 10234459), (17, 4214189), (37, 1936249), (53, 1351721), (119, 602027), (259, 276607), (307, 233359), (371, 193103), (629, 113897), (901, 79513), (1961, 36533), (2149, 33337), (4403, 16271), (5219, 13727), (6307, 11359)]