217986356

素因数分解:

$2^2\times 7^1\times {\mathrm{59}}^1\times {\mathrm{127}}^1\times {\mathrm{1039}}^1$

素因数の和:1236

約数の個数: 48

約数和(自身を含む): 447283200

約数和(自身を除く): 229296844

約数列:

[1, 2, 4, 7, 14, 28, 59, 118, 127, 236, 254, 413, 508, 826, 889, 1039, 1652, 1778, 2078, 3556, 4156, 7273, 7493, 14546, 14986, 29092, 29972, 52451, 61301, 104902, 122602, 131953, 209804, 245204, 263906, 429107, 527812, 858214, 923671, 1716428, 1847342, 3694684, 7785227, 15570454, 31140908, 54496589, 108993178, 217986356]

約数ペア:

[(1, 217986356), (2, 108993178), (4, 54496589), (7, 31140908), (14, 15570454), (28, 7785227), (59, 3694684), (118, 1847342), (127, 1716428), (236, 923671), (254, 858214), (413, 527812), (508, 429107), (826, 263906), (889, 245204), (1039, 209804), (1652, 131953), (1778, 122602), (2078, 104902), (3556, 61301), (4156, 52451), (7273, 29972), (7493, 29092), (14546, 14986)]