51328405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{601}}^1$

素因数の和:685

約数の個数: 32

約数和(自身を含む): 69350400

約数和(自身を除く): 18021995

約数列:

[1, 5, 19, 29, 31, 95, 145, 155, 551, 589, 601, 899, 2755, 2945, 3005, 4495, 11419, 17081, 17429, 18631, 57095, 85405, 87145, 93155, 331151, 353989, 540299, 1655755, 1769945, 2701495, 10265681, 51328405]

約数ペア:

[(1, 51328405), (5, 10265681), (19, 2701495), (29, 1769945), (31, 1655755), (95, 540299), (145, 353989), (155, 331151), (551, 93155), (589, 87145), (601, 85405), (899, 57095), (2755, 18631), (2945, 17429), (3005, 17081), (4495, 11419)]