388742757

素因数分解:

$3^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1$

素因数の和:159

約数の個数: 96

約数和(自身を含む): 648891648

約数和(自身を除く): 260148891

約数列:

[1, 3, 13, 17, 23, 37, 39, 51, 53, 69, 111, 159, 169, 221, 299, 391, 481, 507, 629, 663, 689, 851, 897, 901, 1173, 1219, 1443, 1887, 1961, 2067, 2553, 2703, 2873, 3657, 3887, 5083, 5883, 6253, 8177, 8619, 8957, 11063, 11661, 11713, 14467, 15249, 15847, 18759, 20723, 24531, 25493, 26871, 33189, 33337, 35139, 43401, 45103, 47541, 62169, 66079, 76479, 100011, 106301, 135309, 143819, 152269, 188071, 198237, 206011, 269399, 318903, 331409, 431457, 433381, 456807, 564213, 586339, 618033, 766751, 808197, 994227, 1300143, 1759017, 2300253, 2444923, 3502187, 5633953, 7334769, 7622407, 9967763, 10506561, 16901859, 22867221, 29903289, 129580919, 388742757]

約数ペア:

[(1, 388742757), (3, 129580919), (13, 29903289), (17, 22867221), (23, 16901859), (37, 10506561), (39, 9967763), (51, 7622407), (53, 7334769), (69, 5633953), (111, 3502187), (159, 2444923), (169, 2300253), (221, 1759017), (299, 1300143), (391, 994227), (481, 808197), (507, 766751), (629, 618033), (663, 586339), (689, 564213), (851, 456807), (897, 433381), (901, 431457), (1173, 331409), (1219, 318903), (1443, 269399), (1887, 206011), (1961, 198237), (2067, 188071), (2553, 152269), (2703, 143819), (2873, 135309), (3657, 106301), (3887, 100011), (5083, 76479), (5883, 66079), (6253, 62169), (8177, 47541), (8619, 45103), (8957, 43401), (11063, 35139), (11661, 33337), (11713, 33189), (14467, 26871), (15249, 25493), (15847, 24531), (18759, 20723)]