217245886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{39979}}^1$

素因数の和:40024

約数の個数: 32

約数和(自身を含む): 402998400

約数和(自身を除く): 185752514

約数列:

[1, 2, 11, 13, 19, 22, 26, 38, 143, 209, 247, 286, 418, 494, 2717, 5434, 39979, 79958, 439769, 519727, 759601, 879538, 1039454, 1519202, 5716997, 8355611, 9874813, 11433994, 16711222, 19749626, 108622943, 217245886]

約数ペア:

[(1, 217245886), (2, 108622943), (11, 19749626), (13, 16711222), (19, 11433994), (22, 9874813), (26, 8355611), (38, 5716997), (143, 1519202), (209, 1039454), (247, 879538), (286, 759601), (418, 519727), (494, 439769), (2717, 79958), (5434, 39979)]