1891256216135

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{1979}}^1\times {\mathrm{78623}}^1$

素因数の和:80648

約数の個数: 64

約数和(自身を含む): 2824576634880

約数和(自身を除く): 933320418745

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 1979, 2431, 9895, 12155, 21769, 25727, 33643, 78623, 108845, 128635, 168215, 282997, 370073, 393115, 437359, 864853, 1022099, 1336591, 1414985, 1850365, 2186795, 4324265, 4810949, 5110495, 6682955, 11243089, 14702501, 17375683, 24054745, 56215445, 73512505, 86878415, 155594917, 191132513, 777974585, 955662565, 1711544087, 2022733921, 2645113589, 8557720435, 10113669605, 13225567945, 22250073131, 29096249479, 34386476657, 111250365655, 145481247395, 171932383285, 378251243227, 1891256216135]

約数ペア:

[(1, 1891256216135), (5, 378251243227), (11, 171932383285), (13, 145481247395), (17, 111250365655), (55, 34386476657), (65, 29096249479), (85, 22250073131), (143, 13225567945), (187, 10113669605), (221, 8557720435), (715, 2645113589), (935, 2022733921), (1105, 1711544087), (1979, 955662565), (2431, 777974585), (9895, 191132513), (12155, 155594917), (21769, 86878415), (25727, 73512505), (33643, 56215445), (78623, 24054745), (108845, 17375683), (128635, 14702501), (168215, 11243089), (282997, 6682955), (370073, 5110495), (393115, 4810949), (437359, 4324265), (864853, 2186795), (1022099, 1850365), (1336591, 1414985)]