78902978

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{421}}^1\times {\mathrm{1217}}^1$

素因数の和:1658

約数の個数: 32

約数和(自身を含む): 148030848

約数和(自身を除く): 69127870

約数列:

[1, 2, 7, 11, 14, 22, 77, 154, 421, 842, 1217, 2434, 2947, 4631, 5894, 8519, 9262, 13387, 17038, 26774, 32417, 64834, 93709, 187418, 512357, 1024714, 3586499, 5635927, 7172998, 11271854, 39451489, 78902978]

約数ペア:

[(1, 78902978), (2, 39451489), (7, 11271854), (11, 7172998), (14, 5635927), (22, 3586499), (77, 1024714), (154, 512357), (421, 187418), (842, 93709), (1217, 64834), (2434, 32417), (2947, 26774), (4631, 17038), (5894, 13387), (8519, 9262)]