78417796

素因数分解:

$2^2\times {\mathrm{71}}^2\times {\mathrm{3889}}^1$

素因数の和:4035

約数の個数: 18

約数和(自身を含む): 139226990

約数和(自身を除く): 60809194

約数列:

[1, 2, 4, 71, 142, 284, 3889, 5041, 7778, 10082, 15556, 20164, 276119, 552238, 1104476, 19604449, 39208898, 78417796]

約数ペア:

[(1, 78417796), (2, 39208898), (4, 19604449), (71, 1104476), (142, 552238), (284, 276119), (3889, 20164), (5041, 15556), (7778, 10082)]