87791305

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{1361}}^1$

素因数の和:1489

約数の個数: 32

約数和(自身を含む): 128136960

約数和(自身を除く): 40345655

約数列:

[1, 5, 7, 19, 35, 95, 97, 133, 485, 665, 679, 1361, 1843, 3395, 6805, 9215, 9527, 12901, 25859, 47635, 64505, 129295, 132017, 181013, 660085, 905065, 924119, 2508323, 4620595, 12541615, 17558261, 87791305]

約数ペア:

[(1, 87791305), (5, 17558261), (7, 12541615), (19, 4620595), (35, 2508323), (95, 924119), (97, 905065), (133, 660085), (485, 181013), (665, 132017), (679, 129295), (1361, 64505), (1843, 47635), (3395, 25859), (6805, 12901), (9215, 9527)]