13043405

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{103}}^1$

素因数の和:201

約数の個数: 32

約数和(自身を含む): 17571840

約数和(自身を除く): 4528435

約数列:

[1, 5, 19, 31, 43, 95, 103, 155, 215, 515, 589, 817, 1333, 1957, 2945, 3193, 4085, 4429, 6665, 9785, 15965, 22145, 25327, 60667, 84151, 126635, 137299, 303335, 420755, 686495, 2608681, 13043405]

約数ペア:

[(1, 13043405), (5, 2608681), (19, 686495), (31, 420755), (43, 303335), (95, 137299), (103, 126635), (155, 84151), (215, 60667), (515, 25327), (589, 22145), (817, 15965), (1333, 9785), (1957, 6665), (2945, 4429), (3193, 4085)]