71842576

素因数分解:

$2^4\times {\mathrm{13}}^2\times {\mathrm{163}}^2$

素因数の和:360

約数の個数: 45

約数和(自身を含む): 151656309

約数和(自身を除く): 79813733

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 163, 169, 208, 326, 338, 652, 676, 1304, 1352, 2119, 2608, 2704, 4238, 8476, 16952, 26569, 27547, 33904, 53138, 55094, 106276, 110188, 212552, 220376, 345397, 425104, 440752, 690794, 1381588, 2763176, 4490161, 5526352, 8980322, 17960644, 35921288, 71842576]

約数ペア:

[(1, 71842576), (2, 35921288), (4, 17960644), (8, 8980322), (13, 5526352), (16, 4490161), (26, 2763176), (52, 1381588), (104, 690794), (163, 440752), (169, 425104), (208, 345397), (326, 220376), (338, 212552), (652, 110188), (676, 106276), (1304, 55094), (1352, 53138), (2119, 33904), (2608, 27547), (2704, 26569), (4238, 16952)]