255661736

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{97}}^1\times {\mathrm{491}}^1$

素因数の和:666

約数の個数: 64

約数和(自身を含む): 538090560

約数和(自身を除く): 282428824

約数列:

[1, 2, 4, 8, 11, 22, 44, 61, 88, 97, 122, 194, 244, 388, 488, 491, 671, 776, 982, 1067, 1342, 1964, 2134, 2684, 3928, 4268, 5368, 5401, 5917, 8536, 10802, 11834, 21604, 23668, 29951, 43208, 47336, 47627, 59902, 65087, 95254, 119804, 130174, 190508, 239608, 260348, 329461, 381016, 520696, 523897, 658922, 1047794, 1317844, 2095588, 2635688, 2905247, 4191176, 5810494, 11620988, 23241976, 31957717, 63915434, 127830868, 255661736]

約数ペア:

[(1, 255661736), (2, 127830868), (4, 63915434), (8, 31957717), (11, 23241976), (22, 11620988), (44, 5810494), (61, 4191176), (88, 2905247), (97, 2635688), (122, 2095588), (194, 1317844), (244, 1047794), (388, 658922), (488, 523897), (491, 520696), (671, 381016), (776, 329461), (982, 260348), (1067, 239608), (1342, 190508), (1964, 130174), (2134, 119804), (2684, 95254), (3928, 65087), (4268, 59902), (5368, 47627), (5401, 47336), (5917, 43208), (8536, 29951), (10802, 23668), (11834, 21604)]