198510746

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:579

約数の個数: 64

約数和(自身を含む): 379883520

約数和(自身を除く): 181372774

約数列:

[1, 2, 7, 14, 19, 23, 38, 46, 71, 133, 142, 161, 266, 322, 437, 457, 497, 874, 914, 994, 1349, 1633, 2698, 3059, 3199, 3266, 6118, 6398, 8683, 9443, 10511, 11431, 17366, 18886, 21022, 22862, 31027, 32447, 60781, 62054, 64894, 73577, 121562, 147154, 199709, 217189, 227129, 399418, 434378, 454258, 616493, 746281, 1232986, 1397963, 1492562, 2795926, 4315451, 5223967, 8630902, 10447934, 14179339, 28358678, 99255373, 198510746]

約数ペア:

[(1, 198510746), (2, 99255373), (7, 28358678), (14, 14179339), (19, 10447934), (23, 8630902), (38, 5223967), (46, 4315451), (71, 2795926), (133, 1492562), (142, 1397963), (161, 1232986), (266, 746281), (322, 616493), (437, 454258), (457, 434378), (497, 399418), (874, 227129), (914, 217189), (994, 199709), (1349, 147154), (1633, 121562), (2698, 73577), (3059, 64894), (3199, 62054), (3266, 60781), (6118, 32447), (6398, 31027), (8683, 22862), (9443, 21022), (10511, 18886), (11431, 17366)]