1297505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{761}}^1$

素因数の和:808

約数の個数: 16

約数和(自身を含む): 1755648

約数和(自身を除く): 458143

約数列:

[1, 5, 11, 31, 55, 155, 341, 761, 1705, 3805, 8371, 23591, 41855, 117955, 259501, 1297505]

約数ペア:

[(1, 1297505), (5, 259501), (11, 117955), (31, 41855), (55, 23591), (155, 8371), (341, 3805), (761, 1705)]