425227775

素因数分解:

$5^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{103}}^1\times {\mathrm{761}}^1$

素因数の和:912

約数の個数: 48

約数和(自身を含む): 628912128

約数和(自身を除く): 203684353

約数列:

[1, 5, 7, 25, 31, 35, 103, 155, 175, 217, 515, 721, 761, 775, 1085, 2575, 3193, 3605, 3805, 5327, 5425, 15965, 18025, 19025, 22351, 23591, 26635, 78383, 79825, 111755, 117955, 133175, 165137, 391915, 548681, 558775, 589775, 825685, 1959575, 2429873, 2743405, 4128425, 12149365, 13717025, 17009111, 60746825, 85045555, 425227775]

約数ペア:

[(1, 425227775), (5, 85045555), (7, 60746825), (25, 17009111), (31, 13717025), (35, 12149365), (103, 4128425), (155, 2743405), (175, 2429873), (217, 1959575), (515, 825685), (721, 589775), (761, 558775), (775, 548681), (1085, 391915), (2575, 165137), (3193, 133175), (3605, 117955), (3805, 111755), (5327, 79825), (5425, 78383), (15965, 26635), (18025, 23591), (19025, 22351)]