15998021215

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{293}}^1\times {\mathrm{23087}}^1$

素因数の和:23439

約数の個数: 32

約数和(自身を含む): 21503978496

約数和(自身を除く): 5505957281

約数列:

[1, 5, 11, 43, 55, 215, 293, 473, 1465, 2365, 3223, 12599, 16115, 23087, 62995, 115435, 138589, 253957, 692945, 992741, 1269785, 4963705, 6764491, 10920151, 33822455, 54600755, 74409401, 290873113, 372047005, 1454365565, 3199604243, 15998021215]

約数ペア:

[(1, 15998021215), (5, 3199604243), (11, 1454365565), (43, 372047005), (55, 290873113), (215, 74409401), (293, 54600755), (473, 33822455), (1465, 10920151), (2365, 6764491), (3223, 4963705), (12599, 1269785), (16115, 992741), (23087, 692945), (62995, 253957), (115435, 138589)]