1988662715

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{73}}^1\times {\mathrm{103}}^1\times {\mathrm{313}}^1$

素因数の和:520

約数の個数: 48

約数和(自身を含む): 2653365312

約数和(自身を除く): 664702597

約数列:

[1, 5, 13, 65, 73, 103, 169, 313, 365, 515, 845, 949, 1339, 1565, 4069, 4745, 6695, 7519, 12337, 17407, 20345, 22849, 32239, 37595, 52897, 61685, 87035, 97747, 114245, 161195, 264485, 297037, 419107, 488735, 1270711, 1485185, 2095535, 2353447, 3861481, 5448391, 6353555, 11767235, 19307405, 27241955, 30594811, 152974055, 397732543, 1988662715]

約数ペア:

[(1, 1988662715), (5, 397732543), (13, 152974055), (65, 30594811), (73, 27241955), (103, 19307405), (169, 11767235), (313, 6353555), (365, 5448391), (515, 3861481), (845, 2353447), (949, 2095535), (1339, 1485185), (1565, 1270711), (4069, 488735), (4745, 419107), (6695, 297037), (7519, 264485), (12337, 161195), (17407, 114245), (20345, 97747), (22849, 87035), (32239, 61685), (37595, 52897)]