218487752

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{127}}^1\times {\mathrm{991}}^1$

素因数の和:1162

約数の個数: 64

約数和(自身を含む): 487587840

約数和(自身を除く): 269100088

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 127, 217, 248, 254, 434, 508, 868, 889, 991, 1016, 1736, 1778, 1982, 3556, 3937, 3964, 6937, 7112, 7874, 7928, 13874, 15748, 27559, 27748, 30721, 31496, 55118, 55496, 61442, 110236, 122884, 125857, 215047, 220472, 245768, 251714, 430094, 503428, 860188, 880999, 1006856, 1720376, 1761998, 3523996, 3901567, 7047992, 7803134, 15606268, 27310969, 31212536, 54621938, 109243876, 218487752]

約数ペア:

[(1, 218487752), (2, 109243876), (4, 54621938), (7, 31212536), (8, 27310969), (14, 15606268), (28, 7803134), (31, 7047992), (56, 3901567), (62, 3523996), (124, 1761998), (127, 1720376), (217, 1006856), (248, 880999), (254, 860188), (434, 503428), (508, 430094), (868, 251714), (889, 245768), (991, 220472), (1016, 215047), (1736, 125857), (1778, 122884), (1982, 110236), (3556, 61442), (3937, 55496), (3964, 55118), (6937, 31496), (7112, 30721), (7874, 27748), (7928, 27559), (13874, 15748)]