308677439

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{283}}^1$

素因数の和:507

約数の個数: 32

約数和(自身を含む): 381696000

約数和(自身を除く): 73018561

約数列:

[1, 7, 19, 59, 133, 139, 283, 413, 973, 1121, 1981, 2641, 5377, 7847, 8201, 16697, 18487, 37639, 39337, 57407, 116879, 155819, 275359, 317243, 747403, 1090733, 2220701, 2320883, 5231821, 16246181, 44096777, 308677439]

約数ペア:

[(1, 308677439), (7, 44096777), (19, 16246181), (59, 5231821), (133, 2320883), (139, 2220701), (283, 1090733), (413, 747403), (973, 317243), (1121, 275359), (1981, 155819), (2641, 116879), (5377, 57407), (7847, 39337), (8201, 37639), (16697, 18487)]