199966564

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^2\times {\mathrm{73}}^1\times {\mathrm{271}}^1$

素因数の和:393

約数の個数: 72

約数和(自身を含む): 429451008

約数和(自身を除く): 229484444

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 73, 76, 133, 146, 266, 271, 292, 361, 511, 532, 542, 722, 1022, 1084, 1387, 1444, 1897, 2044, 2527, 2774, 3794, 5054, 5149, 5548, 7588, 9709, 10108, 10298, 19418, 19783, 20596, 26353, 36043, 38836, 39566, 52706, 72086, 79132, 97831, 105412, 138481, 144172, 184471, 195662, 276962, 368942, 375877, 391324, 553924, 684817, 737884, 751754, 1369634, 1503508, 2631139, 2739268, 5262278, 7141663, 10524556, 14283326, 28566652, 49991641, 99983282, 199966564]

約数ペア:

[(1, 199966564), (2, 99983282), (4, 49991641), (7, 28566652), (14, 14283326), (19, 10524556), (28, 7141663), (38, 5262278), (73, 2739268), (76, 2631139), (133, 1503508), (146, 1369634), (266, 751754), (271, 737884), (292, 684817), (361, 553924), (511, 391324), (532, 375877), (542, 368942), (722, 276962), (1022, 195662), (1084, 184471), (1387, 144172), (1444, 138481), (1897, 105412), (2044, 97831), (2527, 79132), (2774, 72086), (3794, 52706), (5054, 39566), (5149, 38836), (5548, 36043), (7588, 26353), (9709, 20596), (10108, 19783), (10298, 19418)]