217645836

素因数分解:

$2^2\times 3^1\times {\mathrm{19}}^1\times {\mathrm{499}}^1\times {\mathrm{1913}}^1$

素因数の和:2438

約数の個数: 48

約数和(自身を含む): 535920000

約数和(自身を除く): 318274164

約数列:

[1, 2, 3, 4, 6, 12, 19, 38, 57, 76, 114, 228, 499, 998, 1497, 1913, 1996, 2994, 3826, 5739, 5988, 7652, 9481, 11478, 18962, 22956, 28443, 36347, 37924, 56886, 72694, 109041, 113772, 145388, 218082, 436164, 954587, 1909174, 2863761, 3818348, 5727522, 11455044, 18137153, 36274306, 54411459, 72548612, 108822918, 217645836]

約数ペア:

[(1, 217645836), (2, 108822918), (3, 72548612), (4, 54411459), (6, 36274306), (12, 18137153), (19, 11455044), (38, 5727522), (57, 3818348), (76, 2863761), (114, 1909174), (228, 954587), (499, 436164), (998, 218082), (1497, 145388), (1913, 113772), (1996, 109041), (2994, 72694), (3826, 56886), (5739, 37924), (5988, 36347), (7652, 28443), (9481, 22956), (11478, 18962)]