199974424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:620

約数の個数: 64

約数和(自身を含む): 418350240

約数和(自身を除く): 218375816

約数列:

[1, 2, 4, 8, 13, 26, 43, 52, 86, 97, 104, 172, 194, 344, 388, 461, 559, 776, 922, 1118, 1261, 1844, 2236, 2522, 3688, 4171, 4472, 5044, 5993, 8342, 10088, 11986, 16684, 19823, 23972, 33368, 39646, 44717, 47944, 54223, 79292, 89434, 108446, 158584, 178868, 216892, 257699, 357736, 433784, 515398, 581321, 1030796, 1162642, 1922831, 2061592, 2325284, 3845662, 4650568, 7691324, 15382648, 24996803, 49993606, 99987212, 199974424]

約数ペア:

[(1, 199974424), (2, 99987212), (4, 49993606), (8, 24996803), (13, 15382648), (26, 7691324), (43, 4650568), (52, 3845662), (86, 2325284), (97, 2061592), (104, 1922831), (172, 1162642), (194, 1030796), (344, 581321), (388, 515398), (461, 433784), (559, 357736), (776, 257699), (922, 216892), (1118, 178868), (1261, 158584), (1844, 108446), (2236, 89434), (2522, 79292), (3688, 54223), (4171, 47944), (4472, 44717), (5044, 39646), (5993, 33368), (8342, 23972), (10088, 19823), (11986, 16684)]