3911804975

素因数分解:

$5^2\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{509}}^1$

素因数の和:669

約数の個数: 72

約数和(自身を含む): 5624439120

約数和(自身を除く): 1712634145

約数列:

[1, 5, 13, 17, 25, 65, 85, 107, 169, 221, 325, 425, 509, 535, 845, 1105, 1391, 1819, 2545, 2675, 2873, 4225, 5525, 6617, 6955, 8653, 9095, 12725, 14365, 18083, 23647, 33085, 34775, 43265, 45475, 54463, 71825, 86021, 90415, 112489, 118235, 165425, 216325, 272315, 307411, 430105, 452075, 562445, 591175, 708019, 925871, 1361575, 1462357, 1537055, 2150525, 2812225, 3540095, 4629355, 7311785, 7685275, 9204247, 12036323, 17700475, 23146775, 36558925, 46021235, 60181615, 156472199, 230106175, 300908075, 782360995, 3911804975]

約数ペア:

[(1, 3911804975), (5, 782360995), (13, 300908075), (17, 230106175), (25, 156472199), (65, 60181615), (85, 46021235), (107, 36558925), (169, 23146775), (221, 17700475), (325, 12036323), (425, 9204247), (509, 7685275), (535, 7311785), (845, 4629355), (1105, 3540095), (1391, 2812225), (1819, 2150525), (2545, 1537055), (2675, 1462357), (2873, 1361575), (4225, 925871), (5525, 708019), (6617, 591175), (6955, 562445), (8653, 452075), (9095, 430105), (12725, 307411), (14365, 272315), (18083, 216325), (23647, 165425), (33085, 118235), (34775, 112489), (43265, 90415), (45475, 86021), (54463, 71825)]