398492892

素因数分解:

$2^2\times 3^3\times 7^2\times {\mathrm{257}}^1\times {\mathrm{293}}^1$

素因数の和:577

約数の個数: 144

約数和(自身を含む): 1210597920

約数和(自身を除く): 812105028

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 27, 28, 36, 42, 49, 54, 63, 84, 98, 108, 126, 147, 189, 196, 252, 257, 293, 294, 378, 441, 514, 586, 588, 756, 771, 879, 882, 1028, 1172, 1323, 1542, 1758, 1764, 1799, 2051, 2313, 2637, 2646, 3084, 3516, 3598, 4102, 4626, 5274, 5292, 5397, 6153, 6939, 7196, 7911, 8204, 9252, 10548, 10794, 12306, 12593, 13878, 14357, 15822, 16191, 18459, 21588, 24612, 25186, 27756, 28714, 31644, 32382, 36918, 37779, 43071, 48573, 50372, 55377, 57428, 64764, 73836, 75301, 75558, 86142, 97146, 110754, 113337, 129213, 150602, 151116, 172284, 194292, 221508, 225903, 226674, 258426, 301204, 340011, 387639, 451806, 453348, 516852, 527107, 677709, 680022, 775278, 903612, 1054214, 1355418, 1360044, 1550556, 1581321, 2033127, 2108428, 2710836, 3162642, 3689749, 4066254, 4743963, 6325284, 7379498, 8132508, 9487926, 11069247, 14231889, 14758996, 18975852, 22138494, 28463778, 33207741, 44276988, 56927556, 66415482, 99623223, 132830964, 199246446, 398492892]

約数ペア:

[(1, 398492892), (2, 199246446), (3, 132830964), (4, 99623223), (6, 66415482), (7, 56927556), (9, 44276988), (12, 33207741), (14, 28463778), (18, 22138494), (21, 18975852), (27, 14758996), (28, 14231889), (36, 11069247), (42, 9487926), (49, 8132508), (54, 7379498), (63, 6325284), (84, 4743963), (98, 4066254), (108, 3689749), (126, 3162642), (147, 2710836), (189, 2108428), (196, 2033127), (252, 1581321), (257, 1550556), (293, 1360044), (294, 1355418), (378, 1054214), (441, 903612), (514, 775278), (586, 680022), (588, 677709), (756, 527107), (771, 516852), (879, 453348), (882, 451806), (1028, 387639), (1172, 340011), (1323, 301204), (1542, 258426), (1758, 226674), (1764, 225903), (1799, 221508), (2051, 194292), (2313, 172284), (2637, 151116), (2646, 150602), (3084, 129213), (3516, 113337), (3598, 110754), (4102, 97146), (4626, 86142), (5274, 75558), (5292, 75301), (5397, 73836), (6153, 64764), (6939, 57428), (7196, 55377), (7911, 50372), (8204, 48573), (9252, 43071), (10548, 37779), (10794, 36918), (12306, 32382), (12593, 31644), (13878, 28714), (14357, 27756), (15822, 25186), (16191, 24612), (18459, 21588)]