156931393

素因数分解:

${\mathrm{19}}^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{379}}^1$

素因数の和:485

約数の個数: 24

約数和(自身を含む): 176052480

約数和(自身を除く): 19121087

約数列:

[1, 19, 31, 37, 361, 379, 589, 703, 1147, 7201, 11191, 11749, 13357, 14023, 21793, 136819, 223231, 266437, 414067, 434713, 4241389, 5062303, 8259547, 156931393]

約数ペア:

[(1, 156931393), (19, 8259547), (31, 5062303), (37, 4241389), (361, 434713), (379, 414067), (589, 266437), (703, 223231), (1147, 136819), (7201, 21793), (11191, 14023), (11749, 13357)]