396985484

素因数分解:

$2^2\times 7^1\times {\mathrm{103}}^1\times {\mathrm{179}}^1\times {\mathrm{769}}^1$

素因数の和:1062

約数の個数: 48

約数和(自身を含む): 807206400

約数和(自身を除く): 410220916

約数列:

[1, 2, 4, 7, 14, 28, 103, 179, 206, 358, 412, 716, 721, 769, 1253, 1442, 1538, 2506, 2884, 3076, 5012, 5383, 10766, 18437, 21532, 36874, 73748, 79207, 129059, 137651, 158414, 258118, 275302, 316828, 516236, 550604, 554449, 963557, 1108898, 1927114, 2217796, 3854228, 14178053, 28356106, 56712212, 99246371, 198492742, 396985484]

約数ペア:

[(1, 396985484), (2, 198492742), (4, 99246371), (7, 56712212), (14, 28356106), (28, 14178053), (103, 3854228), (179, 2217796), (206, 1927114), (358, 1108898), (412, 963557), (716, 554449), (721, 550604), (769, 516236), (1253, 316828), (1442, 275302), (1538, 258118), (2506, 158414), (2884, 137651), (3076, 129059), (5012, 79207), (5383, 73748), (10766, 36874), (18437, 21532)]