31931914

素因数分解:

$2^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{269}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 56246400

約数和(自身を除く): 24314486

約数列:

[1, 2, 7, 14, 61, 122, 139, 269, 278, 427, 538, 854, 973, 1883, 1946, 3766, 8479, 16409, 16958, 32818, 37391, 59353, 74782, 114863, 118706, 229726, 261737, 523474, 2280851, 4561702, 15965957, 31931914]

約数ペア:

[(1, 31931914), (2, 15965957), (7, 4561702), (14, 2280851), (61, 523474), (122, 261737), (139, 229726), (269, 118706), (278, 114863), (427, 74782), (538, 59353), (854, 37391), (973, 32818), (1883, 16958), (1946, 16409), (3766, 8479)]