205121214715

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{6491}}^1\times {\mathrm{217937}}^1$

素因数の和:224462

約数の個数: 16

約数和(自身を含む): 254673629280

約数和(自身を除く): 49552414565

約数列:

[1, 5, 29, 145, 6491, 32455, 188239, 217937, 941195, 1089685, 6320173, 31600865, 1414629067, 7073145335, 41024242943, 205121214715]

約数ペア:

[(1, 205121214715), (5, 41024242943), (29, 7073145335), (145, 1414629067), (6491, 31600865), (32455, 6320173), (188239, 1089685), (217937, 941195)]