81557297276

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{661}}^1\times {\mathrm{7883}}^1$

素因数の和:8611

約数の個数: 96

約数和(自身を含む): 180041799168

約数和(自身を除く): 98484501892

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 43, 52, 86, 91, 172, 182, 301, 364, 559, 602, 661, 1118, 1204, 1322, 2236, 2644, 3913, 4627, 7826, 7883, 8593, 9254, 15652, 15766, 17186, 18508, 28423, 31532, 34372, 55181, 56846, 60151, 102479, 110362, 113692, 120302, 198961, 204958, 220724, 240604, 338969, 369499, 397922, 409916, 677938, 717353, 738998, 795844, 1355876, 1434706, 1477996, 2372783, 2586493, 2869412, 4406597, 4745566, 5172986, 5210663, 8813194, 9491132, 10345972, 10421326, 17626388, 20842652, 30846179, 36474641, 61692358, 67738619, 72949282, 123384716, 135477238, 145898564, 224058509, 270954476, 448117018, 474170333, 896234036, 948340666, 1568409563, 1896681332, 2912760617, 3136819126, 5825521234, 6273638252, 11651042468, 20389324319, 40778648638, 81557297276]

約数ペア:

[(1, 81557297276), (2, 40778648638), (4, 20389324319), (7, 11651042468), (13, 6273638252), (14, 5825521234), (26, 3136819126), (28, 2912760617), (43, 1896681332), (52, 1568409563), (86, 948340666), (91, 896234036), (172, 474170333), (182, 448117018), (301, 270954476), (364, 224058509), (559, 145898564), (602, 135477238), (661, 123384716), (1118, 72949282), (1204, 67738619), (1322, 61692358), (2236, 36474641), (2644, 30846179), (3913, 20842652), (4627, 17626388), (7826, 10421326), (7883, 10345972), (8593, 9491132), (9254, 8813194), (15652, 5210663), (15766, 5172986), (17186, 4745566), (18508, 4406597), (28423, 2869412), (31532, 2586493), (34372, 2372783), (55181, 1477996), (56846, 1434706), (60151, 1355876), (102479, 795844), (110362, 738998), (113692, 717353), (120302, 677938), (198961, 409916), (204958, 397922), (220724, 369499), (240604, 338969)]