2887279915

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{31481}}^1$

素因数の和:31599

約数の個数: 32

約数和(自身を含む): 3998465856

約数和(自身を除く): 1111185941

約数列:

[1, 5, 13, 17, 65, 83, 85, 221, 415, 1079, 1105, 1411, 5395, 7055, 18343, 31481, 91715, 157405, 409253, 535177, 2046265, 2612923, 2675885, 6957301, 13064615, 33967999, 34786505, 44419691, 169839995, 222098455, 577455983, 2887279915]

約数ペア:

[(1, 2887279915), (5, 577455983), (13, 222098455), (17, 169839995), (65, 44419691), (83, 34786505), (85, 33967999), (221, 13064615), (415, 6957301), (1079, 2675885), (1105, 2612923), (1411, 2046265), (5395, 535177), (7055, 409253), (18343, 157405), (31481, 91715)]