8020705

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{251}}^1$

素因数の和:357

約数の個数: 32

約数和(自身を含む): 12192768

約数和(自身を除く): 4172063

約数列:

[1, 5, 7, 11, 35, 55, 77, 83, 251, 385, 415, 581, 913, 1255, 1757, 2761, 2905, 4565, 6391, 8785, 13805, 19327, 20833, 31955, 96635, 104165, 145831, 229163, 729155, 1145815, 1604141, 8020705]

約数ペア:

[(1, 8020705), (5, 1604141), (7, 1145815), (11, 729155), (35, 229163), (55, 145831), (77, 104165), (83, 96635), (251, 31955), (385, 20833), (415, 19327), (581, 13805), (913, 8785), (1255, 6391), (1757, 4565), (2761, 2905)]