12639774

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{1171}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 29028096

約数和(自身を除く): 16388322

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 257, 514, 771, 1171, 1542, 1799, 2342, 3513, 3598, 5397, 7026, 8197, 10794, 16394, 24591, 49182, 300947, 601894, 902841, 1805682, 2106629, 4213258, 6319887, 12639774]

約数ペア:

[(1, 12639774), (2, 6319887), (3, 4213258), (6, 2106629), (7, 1805682), (14, 902841), (21, 601894), (42, 300947), (257, 49182), (514, 24591), (771, 16394), (1171, 10794), (1542, 8197), (1799, 7026), (2342, 5397), (3513, 3598)]