1278706

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{263}}^1$

素因数の和:306

約数の個数: 32

約数和(自身を含む): 2395008

約数和(自身を除く): 1116302

約数列:

[1, 2, 11, 13, 17, 22, 26, 34, 143, 187, 221, 263, 286, 374, 442, 526, 2431, 2893, 3419, 4471, 4862, 5786, 6838, 8942, 37609, 49181, 58123, 75218, 98362, 116246, 639353, 1278706]

約数ペア:

[(1, 1278706), (2, 639353), (11, 116246), (13, 98362), (17, 75218), (22, 58123), (26, 49181), (34, 37609), (143, 8942), (187, 6838), (221, 5786), (263, 4862), (286, 4471), (374, 3419), (442, 2893), (526, 2431)]