399983544

素因数分解:

$2^3\times 3^2\times {\mathrm{29}}^1\times {\mathrm{191563}}^1$

素因数の和:191604

約数の個数: 48

約数和(自身を含む): 1120649400

約数和(自身を除く): 720665856

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 29, 36, 58, 72, 87, 116, 174, 232, 261, 348, 522, 696, 1044, 2088, 191563, 383126, 574689, 766252, 1149378, 1532504, 1724067, 2298756, 3448134, 4597512, 5555327, 6896268, 11110654, 13792536, 16665981, 22221308, 33331962, 44442616, 49997943, 66663924, 99995886, 133327848, 199991772, 399983544]

約数ペア:

[(1, 399983544), (2, 199991772), (3, 133327848), (4, 99995886), (6, 66663924), (8, 49997943), (9, 44442616), (12, 33331962), (18, 22221308), (24, 16665981), (29, 13792536), (36, 11110654), (58, 6896268), (72, 5555327), (87, 4597512), (116, 3448134), (174, 2298756), (232, 1724067), (261, 1532504), (348, 1149378), (522, 766252), (696, 574689), (1044, 383126), (2088, 191563)]