13291201885

素因数分解:

$5^1\times {\mathrm{13}}^3\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{691}}^1$

素因数の和:855

約数の個数: 64

約数和(自身を含む): 18498654720

約数和(自身を除く): 5207452835

約数列:

[1, 5, 13, 17, 65, 85, 103, 169, 221, 515, 691, 845, 1105, 1339, 1751, 2197, 2873, 3455, 6695, 8755, 8983, 10985, 11747, 14365, 17407, 22763, 37349, 44915, 58735, 71173, 87035, 113815, 116779, 152711, 186745, 226291, 295919, 355865, 583895, 763555, 925249, 1131455, 1209941, 1479595, 1518127, 1985243, 3846947, 4626245, 6049705, 7590635, 9926215, 12028237, 15729233, 19234735, 25808159, 60141185, 78646165, 129040795, 156367081, 204480029, 781835405, 1022400145, 2658240377, 13291201885]

約数ペア:

[(1, 13291201885), (5, 2658240377), (13, 1022400145), (17, 781835405), (65, 204480029), (85, 156367081), (103, 129040795), (169, 78646165), (221, 60141185), (515, 25808159), (691, 19234735), (845, 15729233), (1105, 12028237), (1339, 9926215), (1751, 7590635), (2197, 6049705), (2873, 4626245), (3455, 3846947), (6695, 1985243), (8755, 1518127), (8983, 1479595), (10985, 1209941), (11747, 1131455), (14365, 925249), (17407, 763555), (22763, 583895), (37349, 355865), (44915, 295919), (58735, 226291), (71173, 186745), (87035, 152711), (113815, 116779)]