489305005

素因数分解:

$5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{557}}^1\times {\mathrm{1321}}^1$

素因数の和:1909

約数の個数: 32

約数和(自身を含む): 708168960

約数和(自身を除く): 218863955

約数列:

[1, 5, 7, 19, 35, 95, 133, 557, 665, 1321, 2785, 3899, 6605, 9247, 10583, 19495, 25099, 46235, 52915, 74081, 125495, 175693, 370405, 735797, 878465, 3678985, 5150579, 13980143, 25752895, 69900715, 97861001, 489305005]

約数ペア:

[(1, 489305005), (5, 97861001), (7, 69900715), (19, 25752895), (35, 13980143), (95, 5150579), (133, 3678985), (557, 878465), (665, 735797), (1321, 370405), (2785, 175693), (3899, 125495), (6605, 74081), (9247, 52915), (10583, 46235), (19495, 25099)]