639018721

素因数分解:

${\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{53}}^1\times {\mathrm{23321}}^1$

素因数の和:23432

約数の個数: 16

約数和(自身を含む): 725407488

約数和(自身を除く): 86388767

約数列:

[1, 11, 47, 53, 517, 583, 2491, 23321, 27401, 256531, 1096087, 1236013, 12056957, 13596143, 58092611, 639018721]

約数ペア:

[(1, 639018721), (11, 58092611), (47, 13596143), (53, 12056957), (517, 1236013), (583, 1096087), (2491, 256531), (23321, 27401)]