65435981

素因数分解:

${\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1$

素因数の和:237

約数の個数: 32

約数和(自身を含む): 77911680

約数和(自身を除く): 12475699

約数列:

[1, 13, 19, 43, 61, 101, 247, 559, 793, 817, 1159, 1313, 1919, 2623, 4343, 6161, 10621, 15067, 24947, 34099, 49837, 56459, 80093, 82517, 117059, 264923, 647881, 1072721, 1521767, 3443999, 5033537, 65435981]

約数ペア:

[(1, 65435981), (13, 5033537), (19, 3443999), (43, 1521767), (61, 1072721), (101, 647881), (247, 264923), (559, 117059), (793, 82517), (817, 80093), (1159, 56459), (1313, 49837), (1919, 34099), (2623, 24947), (4343, 15067), (6161, 10621)]