231686785

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{257}}^1\times {\mathrm{443}}^1$

素因数の和:753

約数の個数: 32

約数和(自身を含む): 313414272

約数和(自身を除く): 81727487

約数列:

[1, 5, 11, 37, 55, 185, 257, 407, 443, 1285, 2035, 2215, 2827, 4873, 9509, 14135, 16391, 24365, 47545, 81955, 104599, 113851, 180301, 522995, 569255, 901505, 1252361, 4212487, 6261805, 21062435, 46337357, 231686785]

約数ペア:

[(1, 231686785), (5, 46337357), (11, 21062435), (37, 6261805), (55, 4212487), (185, 1252361), (257, 901505), (407, 569255), (443, 522995), (1285, 180301), (2035, 113851), (2215, 104599), (2827, 81955), (4873, 47545), (9509, 24365), (14135, 16391)]