2019930055

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{1213}}^1$

素因数の和:1396

約数の個数: 64

約数和(自身を含む): 3039700608

約数和(自身を除く): 1019770553

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 137, 143, 187, 221, 685, 715, 935, 1105, 1213, 1507, 1781, 2329, 2431, 6065, 7535, 8905, 11645, 12155, 13343, 15769, 19591, 20621, 25619, 30277, 66715, 78845, 97955, 103105, 128095, 151385, 166181, 173459, 226831, 268073, 333047, 830905, 867295, 1134155, 1340365, 1665235, 1827991, 2160353, 2825077, 2948803, 9139955, 10801765, 14125385, 14744015, 23763883, 31075847, 36726001, 118819415, 155379235, 183630005, 403986011, 2019930055]

約数ペア:

[(1, 2019930055), (5, 403986011), (11, 183630005), (13, 155379235), (17, 118819415), (55, 36726001), (65, 31075847), (85, 23763883), (137, 14744015), (143, 14125385), (187, 10801765), (221, 9139955), (685, 2948803), (715, 2825077), (935, 2160353), (1105, 1827991), (1213, 1665235), (1507, 1340365), (1781, 1134155), (2329, 867295), (2431, 830905), (6065, 333047), (7535, 268073), (8905, 226831), (11645, 173459), (12155, 166181), (13343, 151385), (15769, 128095), (19591, 103105), (20621, 97955), (25619, 78845), (30277, 66715)]