161920318

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{5689}}^1$

素因数の和:5824

約数の個数: 32

約数和(自身を含む): 294969600

約数和(自身を除く): 133049282

約数列:

[1, 2, 7, 14, 19, 38, 107, 133, 214, 266, 749, 1498, 2033, 4066, 5689, 11378, 14231, 28462, 39823, 79646, 108091, 216182, 608723, 756637, 1217446, 1513274, 4261061, 8522122, 11565737, 23131474, 80960159, 161920318]

約数ペア:

[(1, 161920318), (2, 80960159), (7, 23131474), (14, 11565737), (19, 8522122), (38, 4261061), (107, 1513274), (133, 1217446), (214, 756637), (266, 608723), (749, 216182), (1498, 108091), (2033, 79646), (4066, 39823), (5689, 28462), (11378, 14231)]