16243451

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1$

素因数の和:144

約数の個数: 32

約数和(自身を含む): 20736000

約数和(自身を除く): 4492549

約数列:

[1, 7, 23, 29, 49, 71, 161, 203, 343, 497, 667, 1127, 1421, 1633, 2059, 3479, 4669, 7889, 9947, 11431, 14413, 24353, 32683, 47357, 80017, 100891, 228781, 331499, 560119, 706237, 2320493, 16243451]

約数ペア:

[(1, 16243451), (7, 2320493), (23, 706237), (29, 560119), (49, 331499), (71, 228781), (161, 100891), (203, 80017), (343, 47357), (497, 32683), (667, 24353), (1127, 14413), (1421, 11431), (1633, 9947), (2059, 7889), (3479, 4669)]