81688178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{127}}^1\times {\mathrm{173}}^1$

素因数の和:339

約数の個数: 48

約数和(自身を含む): 146727936

約数和(自身を除く): 65039758

約数列:

[1, 2, 11, 13, 22, 26, 127, 143, 169, 173, 254, 286, 338, 346, 1397, 1651, 1859, 1903, 2249, 2794, 3302, 3718, 3806, 4498, 18161, 21463, 21971, 24739, 29237, 36322, 42926, 43942, 49478, 58474, 236093, 241681, 285623, 321607, 472186, 483362, 571246, 643214, 3141853, 3713099, 6283706, 7426198, 40844089, 81688178]

約数ペア:

[(1, 81688178), (2, 40844089), (11, 7426198), (13, 6283706), (22, 3713099), (26, 3141853), (127, 643214), (143, 571246), (169, 483362), (173, 472186), (254, 321607), (286, 285623), (338, 241681), (346, 236093), (1397, 58474), (1651, 49478), (1859, 43942), (1903, 42926), (2249, 36322), (2794, 29237), (3302, 24739), (3718, 21971), (3806, 21463), (4498, 18161)]