79978129

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{887}}^1\times {\mathrm{1171}}^1$

素因数の和:2076

約数の個数: 16

約数和(自身を含む): 99910656

約数和(自身を除く): 19932527

約数列:

[1, 7, 11, 77, 887, 1171, 6209, 8197, 9757, 12881, 68299, 90167, 1038677, 7270739, 11425447, 79978129]

約数ペア:

[(1, 79978129), (7, 11425447), (11, 7270739), (77, 1038677), (887, 90167), (1171, 68299), (6209, 12881), (8197, 9757)]