78681394

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^2\times {\mathrm{9907}}^1$

素因数の和:9958

約数の個数: 24

約数和(自身を含む): 135898128

約数和(自身を除く): 57216734

約数列:

[1, 2, 11, 19, 22, 38, 209, 361, 418, 722, 3971, 7942, 9907, 19814, 108977, 188233, 217954, 376466, 2070563, 3576427, 4141126, 7152854, 39340697, 78681394]

約数ペア:

[(1, 78681394), (2, 39340697), (11, 7152854), (19, 4141126), (22, 3576427), (38, 2070563), (209, 376466), (361, 217954), (418, 188233), (722, 108977), (3971, 19814), (7942, 9907)]