81598768

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{5711}}^1$

素因数の和:5785

約数の個数: 40

約数和(自身を含む): 169989120

約数和(自身を除く): 88390352

約数列:

[1, 2, 4, 8, 16, 19, 38, 47, 76, 94, 152, 188, 304, 376, 752, 893, 1786, 3572, 5711, 7144, 11422, 14288, 22844, 45688, 91376, 108509, 217018, 268417, 434036, 536834, 868072, 1073668, 1736144, 2147336, 4294672, 5099923, 10199846, 20399692, 40799384, 81598768]

約数ペア:

[(1, 81598768), (2, 40799384), (4, 20399692), (8, 10199846), (16, 5099923), (19, 4294672), (38, 2147336), (47, 1736144), (76, 1073668), (94, 868072), (152, 536834), (188, 434036), (304, 268417), (376, 217018), (752, 108509), (893, 91376), (1786, 45688), (3572, 22844), (5711, 14288), (7144, 11422)]