257678696

素因数分解:

$2^3\times {\mathrm{11}}^2\times {\mathrm{31}}^2\times {\mathrm{277}}^1$

素因数の和:367

約数の個数: 72

約数和(自身を含む): 550727730

約数和(自身を除く): 293049034

約数列:

[1, 2, 4, 8, 11, 22, 31, 44, 62, 88, 121, 124, 242, 248, 277, 341, 484, 554, 682, 961, 968, 1108, 1364, 1922, 2216, 2728, 3047, 3751, 3844, 6094, 7502, 7688, 8587, 10571, 12188, 15004, 17174, 21142, 24376, 30008, 33517, 34348, 42284, 67034, 68696, 84568, 94457, 116281, 134068, 188914, 232562, 266197, 268136, 377828, 465124, 532394, 755656, 930248, 1039027, 1064788, 2078054, 2129576, 2928167, 4156108, 5856334, 8312216, 11712668, 23425336, 32209837, 64419674, 128839348, 257678696]

約数ペア:

[(1, 257678696), (2, 128839348), (4, 64419674), (8, 32209837), (11, 23425336), (22, 11712668), (31, 8312216), (44, 5856334), (62, 4156108), (88, 2928167), (121, 2129576), (124, 2078054), (242, 1064788), (248, 1039027), (277, 930248), (341, 755656), (484, 532394), (554, 465124), (682, 377828), (961, 268136), (968, 266197), (1108, 232562), (1364, 188914), (1922, 134068), (2216, 116281), (2728, 94457), (3047, 84568), (3751, 68696), (3844, 67034), (6094, 42284), (7502, 34348), (7688, 33517), (8587, 30008), (10571, 24376), (12188, 21142), (15004, 17174)]