78740921

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{16001}}^1$

素因数の和:16064

約数の個数: 16

約数和(自身を含む): 97292160

約数和(自身を除く): 18551239

約数列:

[1, 7, 19, 37, 133, 259, 703, 4921, 16001, 112007, 304019, 592037, 2128133, 4144259, 11248703, 78740921]

約数ペア:

[(1, 78740921), (7, 11248703), (19, 4144259), (37, 2128133), (133, 592037), (259, 304019), (703, 112007), (4921, 16001)]