199911711

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1\times {\mathrm{251}}^1$

素因数の和:519

約数の個数: 32

約数和(自身を含む): 286675200

約数和(自身を除く): 86763489

約数列:

[1, 3, 19, 57, 89, 157, 251, 267, 471, 753, 1691, 2983, 4769, 5073, 8949, 13973, 14307, 22339, 39407, 41919, 67017, 118221, 265487, 424441, 748733, 796461, 1273323, 2246199, 3507223, 10521669, 66637237, 199911711]

約数ペア:

[(1, 199911711), (3, 66637237), (19, 10521669), (57, 3507223), (89, 2246199), (157, 1273323), (251, 796461), (267, 748733), (471, 424441), (753, 265487), (1691, 118221), (2983, 67017), (4769, 41919), (5073, 39407), (8949, 22339), (13973, 14307)]