287996814

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{347}}^1\times {\mathrm{941}}^1$

素因数の和:1310

約数の個数: 72

約数和(自身を含む): 728734968

約数和(自身を除く): 440738154

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 49, 63, 98, 126, 147, 294, 347, 441, 694, 882, 941, 1041, 1882, 2082, 2429, 2823, 3123, 4858, 5646, 6246, 6587, 7287, 8469, 13174, 14574, 16938, 17003, 19761, 21861, 34006, 39522, 43722, 46109, 51009, 59283, 92218, 102018, 118566, 138327, 153027, 276654, 306054, 326527, 414981, 653054, 829962, 979581, 1959162, 2285689, 2938743, 4571378, 5877486, 6857067, 13714134, 15999823, 20571201, 31999646, 41142402, 47999469, 95998938, 143998407, 287996814]

約数ペア:

[(1, 287996814), (2, 143998407), (3, 95998938), (6, 47999469), (7, 41142402), (9, 31999646), (14, 20571201), (18, 15999823), (21, 13714134), (42, 6857067), (49, 5877486), (63, 4571378), (98, 2938743), (126, 2285689), (147, 1959162), (294, 979581), (347, 829962), (441, 653054), (694, 414981), (882, 326527), (941, 306054), (1041, 276654), (1882, 153027), (2082, 138327), (2429, 118566), (2823, 102018), (3123, 92218), (4858, 59283), (5646, 51009), (6246, 46109), (6587, 43722), (7287, 39522), (8469, 34006), (13174, 21861), (14574, 19761), (16938, 17003)]