71564311

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{19181}}^1$

素因数の和:19242

約数の個数: 16

約数和(自身を含む): 90232128

約数和(自身を除く): 18667817

約数列:

[1, 7, 13, 41, 91, 287, 533, 3731, 19181, 134267, 249353, 786421, 1745471, 5504947, 10223473, 71564311]

約数ペア:

[(1, 71564311), (7, 10223473), (13, 5504947), (41, 1745471), (91, 786421), (287, 249353), (533, 134267), (3731, 19181)]