57265715

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{521}}^1$

素因数の和:647

約数の個数: 32

約数和(自身を含む): 78926400

約数和(自身を除く): 21660685

約数列:

[1, 5, 13, 19, 65, 89, 95, 247, 445, 521, 1157, 1235, 1691, 2605, 5785, 6773, 8455, 9899, 21983, 33865, 46369, 49495, 109915, 128687, 231845, 602797, 643435, 881011, 3013985, 4405055, 11453143, 57265715]

約数ペア:

[(1, 57265715), (5, 11453143), (13, 4405055), (19, 3013985), (65, 881011), (89, 643435), (95, 602797), (247, 231845), (445, 128687), (521, 109915), (1157, 49495), (1235, 46369), (1691, 33865), (2605, 21983), (5785, 9899), (6773, 8455)]